Definitions from Wiktionary ( )

▸ noun:  Something used for fastening, which can only be opened with a key or combination.
▸ noun:  (computing, by extension) A mutex or other token restricting access to a resource.
▸ noun:  A segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels.
▸ noun:  (firearms) The firing mechanism.
▸ noun:  Complete control over a situation.
▸ noun:  Something sure to be a success.
▸ noun:  (gambling) Synonym of Dutch book
▸ noun:  (rugby) A player in the scrum behind the front row, usually the tallest members of the team.
▸ noun:  A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable.
▸ noun:  A place impossible to get out of, as by a lock.
▸ noun:  A device for keeping a wheel from turning.
▸ noun:  A grapple in wrestling.
▸ verb:  (intransitive) To become fastened in place.
▸ verb:  (transitive) To fasten with a lock.
▸ verb:  (intransitive) To be capable of becoming fastened in place.
▸ verb:  (transitive) To intertwine or dovetail.
▸ verb:  (intransitive, break dancing) To freeze one's body or a part thereof in place.
▸ verb:  To furnish (a canal) with locks.
▸ verb:  To raise or lower (a boat) in a lock.
▸ verb:  To seize (e.g. the sword arm of an antagonist) by turning one's left arm around it, to disarm them.
▸ verb:  (Internet, transitive) To modify (a thread) so that users cannot make new posts in it.
▸ verb:  (Internet, wiki jargon, transitive) To prevent a page from being edited by other users.
▸ verb:  (intransitive, rugby) To play in the position of lock.
▸ noun:  A tuft or length of hair, wool, etc.
▸ noun:  A small quantity of straw etc.
▸ noun:  (Scots law, historical) A quantity of meal, the perquisite of a mill-servant.
▸ noun:  A surname.
▸ noun:  An unincorporated community in Knox County and Licking County, Ohio, United States.
▸ noun:  A town in Elliston district council area, Eyre Peninsula, South Australia; from the surname.

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