Definitions from Wiktionary ( )

▸ verb:  (physical) To remove or block an opening, gap or passage through.
▸ verb:  (ambitransitive) To move a thing, or part of a thing, nearer to another so that the gap or opening between the two is removed.
▸ verb:  (transitive) To obstruct or block.
▸ verb:  (intransitive) To become denser or more crowded with objects.
▸ verb:  (figuratively, transitive, intransitive) To make or become unreceptive.
▸ verb:  (transitive, intransitive, engineering, gas and liquid flow, of valve or damper) To move to a position preventing fluid from flowing.
▸ verb:  (transitive, intransitive, electricity, of a switch, fuse or circuit breaker) To move to a position allowing electricity to flow.
▸ verb:  To grapple; to engage in close combat.
▸ verb:  (transitive, intransitive, especially sports) To angle (a club, bat or other hitting implement) downwards and/or (for a right-hander) anticlockwise of straight.
▸ verb:  To finish.
▸ verb:  (transitive) To end or conclude.
▸ verb:  (intransitive) To finish; to come to an end.
▸ verb:  (ergative, marketing) To conclude (a sale).
▸ verb:  (transitive) To perform as the final act at (a show etc.).
▸ verb:  (transitive, baseball, pitching) To make the final outs, usually three, of a game.
▸ verb:  (transitive, finance) To cancel or reverse (a trading position).
▸ verb:  To make or become non-operational or unavailable for use.
▸ verb:  (transitive) To put out of use or operation.
▸ verb:  (intransitive) To cease operation or cease to be available.
▸ verb:  (intransitive, of a business, market etc.) To cease trading for the day, or permanently.
▸ verb:  (intransitive) To do the tasks (putting things away, locking doors, etc.) required to prepare a store or other establishment to shut down for the night.
▸ verb:  (ergative, computing) To terminate an application, window, file or database connection, etc.
▸ verb:  (Philippines, Quebec) To turn off; to switch off.
▸ verb:  (chiefly figurative) To come or gather around; to enclose.
▸ verb:  (surveying) To have a vector sum of 0; that is, to form a closed polygon.
▸ noun:  An end or conclusion.
▸ noun:  The manner of shutting; the union of parts; junction.
▸ noun:  (sales) The point at the end of a sales pitch when the consumer is asked to buy.
▸ noun:  A grapple in wrestling.
▸ noun:  (music) The conclusion of a strain of music; cadence.
▸ noun:  (music) A double bar marking the end.
▸ noun:  (aviation, travel) The time when check-in staff will no longer accept passengers for a flight.
▸ adjective:  Having little difference or distance in place, position, or abstractly; see also close to.
▸ adjective:  At little distance; near in space or time.
▸ adjective:  Almost, but not quite (getting to an answer, goal, or other state); near.
▸ adjective:  (in particular) Almost resulting in disaster.
▸ adjective:  Nearly equal; almost evenly balanced; almost exactly matching.
▸ adjective:  Adhering strictly to a standard or original; exact or nearly so.
▸ adjective:  Intimate or immediate in personal relationship.
▸ adjective:  Involving a tight connection; involving frequent communication, shared or cooperative activity, etc.
▸ adjective:  Compressed, restricted, constrained, etc.
▸ adjective:  (archaic outside certain phrases) Physically narrow or confined.
▸ adjective:  Tight, with little space separating components or elements.
▸ adjective:  Strictly confined; carefully guarded.
▸ adjective:  Tightly restricted in availability.
▸ adjective:  (law) Of a corporation or other business entity, closely held.
▸ adjective:  Oppressive; without motion or ventilation; causing a feeling of lassitude.
▸ adjective:  (Ireland, UK, weather) Hot, humid, with no wind.
▸ adjective:  (archaic) Dense; solid; compact.
▸ adjective:  Rigorous, careful, etc.
▸ adjective:  Attentive; undeviating; strict.
▸ adjective:  Carefully done, detailed.
▸ adjective:  Accurate; precise.
▸ adjective:  Short.
▸ adjective:  (now rare) Closed, shut.
▸ adjective:  (linguistics, phonetics, of a vowel) Articulated with the tongue body relatively close to the hard palate.
▸ adjective:  (heraldry, of a bird) With its wings at its side, closed, held near to its body (typically also statant); (of wings) in this posture.
▸ adjective:  (dated) Difficult to obtain.
▸ adjective:  (dated) Parsimonious; stingy.
▸ adjective:  (obsolete) Out of the way of observation; secluded; secret; hidden.
▸ adjective:  (archaic) Concise; to the point.
▸ adjective:  Marked, evident.
▸ adverb:  In a close manner (limited contexts; more often closely).
▸ adverb:  So as to leave or create little distance or space between objects.
▸ adverb:  Carefully, in detail.
▸ adverb:  In combination (sometimes potentially ambiguous between adverb and adjective).
▸ noun:  (now rare, chiefly Yorkshire) An enclosed field, especially a field enclosed around a (usually religious) building.
▸ noun:  (chiefly British) A street that ends in a dead end.
▸ noun:  (Scotland) A very narrow alley between two buildings, often overhung by one of the buildings above the ground floor.
▸ noun:  (Scotland) The common staircase in a tenement.
▸ noun:  A cathedral close.
▸ noun:  (law) The interest which one may have in a piece of ground, even though it is not enclosed
▸ noun:  A surname.

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