Definition of "lock" in English

noun

1. Something used for fastening, which can only be opened with a key or combination.

2. (computing, by extension) A mutex or other token restricting access to a resource.

3. A segment of a canal or other navigable waterway enclosed by gates, used for raising and lowering boats between levels.

4. (firearms) The firing mechanism.

5. Complete control over a situation.

6. Something sure to be a success.

7. (gambling) Synonym of Dutch book.

8. (rugby) A player in the scrum behind the front row, usually the tallest members of the team.

9. A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable.

10. A place impossible to get out of, as by a lock.

11. A device for keeping a wheel from turning.

12. A grapple in wrestling.

verb

1. (intransitive) To become fastened in place.

   • If you put the brakes on too hard, the wheels will lock.

2. (transitive) To fasten with a lock.

   • Remember to lock the door when you leave.

3. (intransitive) To be capable of becoming fastened in place.

   • This door locks with a key.

4. (transitive) To intertwine or dovetail.

   • with his hands locked behind his back
   • We locked arms and stepped out into the night.

5. (intransitive, break dancing) To freeze one's body or a part thereof in place.

   • a pop and lock routine

6. To furnish (a canal) with locks.

7. To raise or lower (a boat) in a lock.

8. To seize (e.g. the sword arm of an antagonist) by turning one's left arm around it, to disarm them.

9. (Internet, transitive) To modify (a thread) so that users cannot make new posts in it.

10. (Internet, wiki jargon, transitive) To prevent a page from being edited by other users.

    • Frequently-vandalized pages are generally locked to prevent further damage.

11. (intransitive, rugby) To play in the position of lock.

noun

1. A tuft or length of hair, wool, etc.

2. A small quantity of straw etc.

3. (Scots law, historical) A quantity of meal, the perquisite of a mill-servant.