| lock |  ©
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| 1. n. Something used for fastening, which can only be opened with a key or combination. | |
| 2. n. (computing, by extension) A mutex or other token restricting access to a resource. | |
| 3. n. A segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels. | |
| 4. n. (gun mechanisms) The firing mechanism. | |
| 5. n. Complete control over a situation. | |
| 6. n. Something sure to be a success. | |
| 7. n. (rugby) A player in the scrum behind the front row, usually the tallest members of the team. | |
| 8. n. A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable. | |
| 9. n. A place from which egress is prevented, as by a lock. | |
| 10. n. A device for keeping a wheel from turning. | |
| 11. n. A grapple in wrestling. | |
| 12. v. (intransitive) To become fastened in place. | |
| If you put the brakes on too hard, the wheels will lock. | |
| 13. v. To fasten with a lock. | |
| Remember to lock the door when you leave. | |
| 14. v. (intransitive) To be capable of becoming fastened in place. | |
| This door locks with a key. | |
| 15. v. To intertwine or dovetail. | |
| with his hands locked behind his back | |
| We locked arms and stepped out into the night. | |
| 16. v. (intransitive, break dancing) To freeze one's body or a part thereof in place. | |
| a pop and lock routine | |
| 17. v. To furnish (a canal) with locks. | |
| 18. v. To raise or lower (a boat) in a lock. | |
| 19. v. To seize (e.g. the sword arm of an antagonist) by turning the left arm around it, to disarm him. | |
| 20. v. (Internet, transitive) To officially prevent other users from posting in (a thread). | |
| 21. n. A tuft or length of hair, wool etc. | |
| 22. n. A small quantity (of straw etc.) | |
