n
(archaeology) A pipe that is used to suck up objects from the sea bed.
n
a motor car that can also travel on water
n
(nautical) The angle between a mid-sail and the direction of the wind.
n
(nautical) Synonym of limit of positive stability
v
To apply antifouling paint to (a boat)
n
(nautical, radio) An automatic radio receiver on a ship, for picking up distress calls.
n
Equipment used on ships and boats to maintain a chosen course without constant human action.
n
(nautical) an azimuth thruster, an engine and ships' propeller in an underslung pod that is azimuth adjustable, to replace a fixed-azimuth propeller and rudder configuration
n
(nautical) An early navigational instrument for measuring the altitude of the sun and hence calculating latitude.
n
(aviation, nautical, historical) A ship used to support operations of a balloon or dirigible, particularly observation balloon operations
n
A structure made of boards.
n
A mechanism used for raising and lowering boats on a canal vertically from one water level to another.
n
A wishbone-shaped piece of windsurfing equipment.
n
(nautical) A diving plane mounted on or near the bow of a submarine.
n
(aviation) A fixed or adjustable direction propeller unit mounted on the bow of an airship for increased maneuverability.
v
(nautical) To know, and demonstrate by reciting, the 32 points and quarter points of the magnetic compass from North or East, both clockwise and anticlockwise.
n
A ship used to maintain navigational buoys.
n
(nautical) A sea mark (a buoy or other floating or fixed structure) used in pilotage to indicate the position of a hazard and the direction of safe water.
n
Alternative spelling of centreboard [(British spelling, nautical) The adjustable keel on a small yacht or dinghy that acts, among other things, as ballast and to counteract the sideways force of the wind.]
n
The point through which the resultant of all the wind forces on a sailing vessel's sails is assumed to act.
n
(British spelling, nautical) The adjustable keel on a small yacht or dinghy that acts, among other things, as ballast and to counteract the sideways force of the wind.
n
(military, slang) A panel of indicator lights in an aircraft or a submarine.
n
(nautical) A circular disc of plate glass, set into the screen of a ship's bridge and spun at high speed by an electric motor in heavy rain or snow; it offers a clear view forward.
n
(navigation) A graduated circle, usually marked in degrees, indicating directions and printed or inscribed on an appropriate medium.
n
Obsolete spelling of compass [A magnetic or electronic device used to determine the cardinal directions (usually magnetic or true north).]
n
(nautical) One of several small magnets placed in the binnacle to neutralize the effect of the ship's metal on the compass
n
A temporary floating barrier used to contain an oil spill.
n
(nautical) A floating reference point, or SLDMB, used to evaluate surface currents in a body of water. Often employed by coastal search and rescue.
n
(nautical) The minimum bank angle which will submerge at least one non-watertight opening on a boat, ship, or other vessel, allowing for downflooding into the interior of the vessel.
n
(naval) A kind of sonobuoy.
n
(nautical) A chart showing the horizontal variation in the magnetic force acting on a ship's compass needle by the iron within the ship, as a function of course steered
n
(historical navigation) The twelve bearings of traditional Chinese navigation, comprising 30° divisions of the compass beginning with due north.
n
An electric field, in the form of a sail, used as a form of spacecraft propulsion
n
The feathers of an arrow or the tail fins of a bomb or rocket used to stabilize the longitudinal axis of the projectile parallel to the flight path.
adj
(nautical, military, of wing-mounted gun turrets on a warship) Staggered; offset so that the wing turret on one side is mounted further forwards than the one on the opposite side.
n
(sports, nautical) A hydrofoil catamaran sailing racing yacht, with a wingsail mainsail.
v
(nautical) To make a circuit; to take a circuitous route to a place.
n
(nautical) The conning tower of a submarine.
n
(nautical) The increase in width of most ship hulls with increasing height above the waterline.
n
(nautical) The person at the foiling controls to operate the hydrofoils on a boat or ship
n
(transport, nautical) A form of marine vessel which allows large floating objects (such as other ships, or oil platforms, etc) to be floated atop and floated off the ship's transport decktop.
n
(nautical, aeronautics) A relatively flat surface located well forward of a vehicle's center of gravity used for stability and, when movable, used for steering and attitude control; common on submarines, also used on surface ships and aircraft.
adj
For vessels that depends on engines for propulsion that is independent of assistance from any sails.
n
(nautical) The depth to which a vessel sinks in the water.
n
A device for suspending something, such as a ship's compass, so that it will remain level when its support is tipped.
n
The loss of one degree of freedom in the three-dimensional rotational movement of a three-gimbal mechanism, which occurs when the axes of two of the three gimbals are driven into a parallel configuration, so that the system's rotational movement becomes two-dimensional (and necessarily remains so until an appropriate force is applied); the equivalent situation in a simulation of rotational movement, when the mathematical model uses Euler angles (representing pitch, yaw and roll) or their equivalent.
n
Alternative form of gimbal [A device for suspending something, such as a ship's compass, so that it will remain level when its support is tipped.]
n
(usually uncountable, nautical, engineering, physics) Metacentric height, a measure of a ship's static stability in roll.
n
(nautical) A position of sails in a fore-and-aft rigged sailboat, in which the mainsail is set to the leeward and the jib to the windward. This position may be used when running (almost) straight downwind.
v
(nautical) To sail with the sails in a goose wing position
adj
(nautical) Having a goosewing; said of a fore-and-aft rigged vessel with foresail set on one side and mainsail on the other.
n
(nautical) Synonym of goose wing (sail position).
n
Alternative form of gimbal [A device for suspending something, such as a ship's compass, so that it will remain level when its support is tipped.]
n
Obsolete form of gimbal. [A device for suspending something, such as a ship's compass, so that it will remain level when its support is tipped.]
n
Alternative form of hangar queen [(idiomatic, slang, military, aviation) A grounded aircraft which is kept so that its parts can be used in other aircraft.]
n
(nautical) A platform (on a vessel or offshore structure) allowing helicopters to land and take off.
n
A completely enclosed hangar deck found on many aircraft carriers.
n
(nautical) A vessel equipped with such a device.
n
A kind of boat driven by an air propeller.
n
A superstructure on an aircraft carrier's deck.
n
(aviation) A clipboard carried in the lap of an airplane pilot, on which basic flight data is recorded.
n
(military, nautical) an amphibious assault water vessel designed to transport a tank across water to directly onto shore, where the tank may roll off the vessel onto the shore, while under enemy fire.
n
(nautical) A buoy or other navigational mark denoting the port or starboard edge of a channel
n
Synonym of lunar lifeboat
n
(historical) A rocket for carrying a line from the shore to a ship in distress.
n
(astronautics) A solar sail.
n
Alternative form of light sail [(astronautics) A solar sail.]
n
(nautical) The maximum angle at which a watercraft can heel without capsizing.
v
(transitive) To travel at a specified speed, as ascertained by a chip log.
n
(nautical, historical) A sandglass used with the logline to ascertain the speed of a ship.
adj
(nautical) Pertaining to motion at a constant angle to the meridians; on a set compass bearing.
n
An engine for marine use, installed in a boat or ship. For small vessels, these are usually adapted automotive engines; for large vessels they are specially built for the purpose.
n
(nautical, physics) The vertical distance between the metacentre and center of mass (conventionally taken to be positive when the metacentre is above the center of mass, and negative when the center of mass is above the metacentre) of a vessel (such as a ship or a boat) when the vessel is upright with zero bank angle; measures the vessel's tendency to resist being rolled from the upright orientation; must be positive in order for the vessel to have positive static stability.
n
(nautical) The tendency of a ship or other water-going vessel to remain upright due to its centre of gravity being below its centre of buoyancy, ie. basically having most of its weight down low.
adj
(nautical) Propelled by an internal combustion engine (as opposed to a steam engine or turbine).
n
(military, nautical) A torpedo boat powered by an internal combustion engine rather than a steam engine.
n
Alternative form of motor glider [A sailplane (glider) equipped with an auxiliary motor.]
n
The submersed providers of buoyancy of a SWATH hulled boat.
n
(music) A studio having outboard gear (compressor, equalizer, etc.).
n
A detachable and pivotable propulsion unit fitted over the transom of a boat, comprising an engine that drives a propeller.
adj
Fitted with an outrigger.
n
Alternative spelling of parasailor
n
(nautical) A towed underwater object with hydrofoils, of diverse uses.
v
(nautical, of a boat) To move in a way that lifts the bow out of the water.
n
(nautical) The difference between two points of the compass.
n
A secondary hull in a submarine, inside the main outer hull, that withstands the outside pressure and has normal atmospheric pressure inside.
n
One who, or that which, propels.
v
(graphical user interface) To dock (toolbars, etc.) so that they share horizontal or vertical space.
n
(nautical, chiefly military, historical) A bow that projects forwards below the waterline into a reinforced blade or point, used to sink other ships by ramming.
n
(nautical) Sailing on a reach, i.e. having the wind on either side and coming from an angle that is larger with respect to the bow than when sailing close-hauled.
n
(navigation) One of the 32 points of the compass (compass points)
n
Alternative spelling of rhumb line [(nautical) A line that cuts all meridians at the same angle, the path of a vessel that maintains a constant compass direction.]
n
Alternative spelling of rhumb line [(nautical) A line that cuts all meridians at the same angle, the path of a vessel that maintains a constant compass direction.]
n
(nautical, physics) The horizontal distance between the center of mass of a tilted vessel and the vertical line connecting its center of buoyancy and its metacentre (conventionally taken as positive if the aforementioned line lies on the low side of the center of mass, and negative if the line lies on the high side of the center of mass), measuring the strength of the vessel's tendency (or lack thereof) to return to an upright orientation.
n
A remotely-operated vehicle; ROV
n
(obsolete) One of the structural arms of a windmill to which the vanes or sails are attached.
n
A propulsion device used by scuba divers to increase their range while underwater.
n
(obsolete) a type of aircraft carrier specialized in dealing with airplanes that can use water as a landing surface
adj
(nautical) Able to right itself if overturned.
adj
that tests the performance of a ship or aircraft
n
A marker placed beside a blip on the radar screen, used by air traffic control to indicate a specific aircraft.
adj
Having a paddle wheel on each side; said of steam vessels.
n
A system for determining the position of vessels lost at sea by means of explosive sounds.
n
(astronautics) A sail-like structure on a spacecraft consisting of enormous ultrathin mirrors, propulsion being achieved by the radiation pressure of light from a star or laser.
n
(nautical, military) A buoy that sends a radio signal when it detects the sound of underwater objects (such as submarines).
n
A type of small submarine designed to hold two people.
adj
Equipped with a spinnaker (type of sail).
n
Alternative form of sponson [(nautical, aviation, military) A projection from the side of an aircraft, watercraft, or land vehicle.]
n
(nautical, aviation, military) A projection from the side of an aircraft, watercraft, or land vehicle.
n
A gyroscopically controlled fin or similar device that prevents the excess rolling of a ship in rough seas.
n
(parachuting) The cord attached from the parachute pack to the plane, used to automatically deploy the parachute.
n
(nautical) A diving plane mounted on or near the stern of a submarine.
n
(nautical) A form of marine propulsion similar to an outboard motor
n
(nautical) Acronym of small waterplane area twin hull: a ship design philosophy for reducing pitching and rolling, and increasing stability, in all sea states.
n
(nautical) A hydraulic device by which the movement of the wheel on the bridge operates the steering gear at the stern.
n
Alternative spelling of telltale compass [(nautical) A compass installed in the cabin so that the captain or other officer may check the course of a ship without going to the deck; often upturned and suspended from the ceiling.]
n
One who is employed to manage the towing of a vessel.
n
A craft that can travel on land, air and sea.
n
(aviation, slang) The pilot who tows a glider.
n
A ship that uses rotating vertical cylinders instead of sails
n
(nautical) A vessel with two propellers on separate shafts.
n
A form of dragon curve, constructed by placing two Heighway dragon curves back to back.
n
(navigation) A sight on a sextant or compass.
n
Abbreviation of water bicycle. [A bicycle frame set between a pair of pontoon floats, with the pedals connected to a propeller and the handle bars connected to a rudder]
n
A motorized device that pulls a swimmer along behind it.
n
(nautical) The horizontal cross section of a vessel on a level with the waterline
n
Alternative form of water wing (swimming aid) [One of a pair of inflatable plastic bands, normally worn on the upper arms, to help a wearer float in water and learn to swim.]
adj
(of a motorboat propeller) Having blades that curve backwards, as respects the direction of rotation, so that they draw through the water without accumulating weeds.
n
(nautical) A vertical passage in the stern into which an auxiliary screw propeller may be drawn up out of the water.
n
A kind of automotive spoiler.
n
(nautical) The instrument attached to the rudder by which a vessel is steered.
n
A form of self-propelling torpedo.
n
(US) A raised platform on the roof of a house, especially one on a coastal house originally used for viewing the arrival of shipping
n
(sailing) An arrow-shaped indicator of wind direction installed in mast-top.
n
The sail or vane of a windmill.
n
(nautical) A platform on either side of the bridge of a vessel, normally found in pairs.
n
(nautical) The person who operates the trimming controls of a wingsail to trim it to fit wind conditions
adv
(nautical) Sailing a square-rigged vessel before the wind with studding sails on both sides.
n
(nautical) One of the casks stowed in the wings of a vessel's hold, being smaller than such as are stowed more amidships.
n
A variable-camber aerodynamic structure that may be fitted to a marine vessel in place of conventional sails.
adj
(nautical, slang) Having the sails set in the manner called wing and wing.
n
(nautical) A vessel's motion rotating about the vertical axis, so the bow yaws from side to side; a characteristic of unsteadiness.
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