1. A device operated by a key, combination, or keycard and used, as on a door, for holding, closing, or securing.
2. A section of a waterway, such as a canal, closed off with gates, in which vessels in transit are raised or lowered by raising or lowering the water level of that section.
3. A mechanism in a firearm for exploding the charge.
4. An interlocking or entanglement of elements or parts.
5. Sports A hold in wrestling or self-defense that is secured on a part of an opponent's body.
6. A secure hold or grip:
The distributor has a lock on most of the market.
7. To fasten the lock of:
close and lock a drawer.
8. To shut or make secure with or as if with locks:
locked the house.
9. To confine or exclude by or as if by means of a lock:
locked the dog in for the night; locked the criminal up in a cell.
10. To fix in place so that movement or escape is impossible; hold fast:
The ship was locked in the ice through the winter. She felt that she had become locked into a binding agreement.
11. To sight and follow (a moving target) automatically:
locked the enemy fighter in the gun sights.
12. To aim (a weapon or other device) at a moving target so as to follow it automatically:
“The pilot had locked his targeting radar on the slow-moving frigate”(Ed Magnuson)
13. To engage and interlock securely so as to be immobile.
14. To clasp or link firmly; intertwine:
locked arms and walked away.
15. To bind in close struggle or battle:
The two dogs were locked in combat.
16. To equip (a waterway) with locks.
17. To pass (a vessel) through a lock.
19. To secure (letterpress type) in a chase or press bed by tightening the quoins.
20. To fasten (a curved plate) to the cylinder of a rotary press.
21. To invest (funds) in such a way that they cannot easily be converted into cash.
22. Computer Science To end the processing of (a magnetic tape or disk) in such a way as to deny access to its contents.
23. To become fastened by or as if by means of a lock:
The door locks automatically when shut.
24. To become entangled; interlock.
25. To become rigid or immobile:
The mechanism tends to lock in cold weather.
26. To pass through a lock or locks in a waterway.
27. To withhold work from (employees) during a labor dispute.
28. To become embroiled in conflict.
29. To the greatest or most complete extent; wholly:
an estate that was auctioned off lock, stock, and barrel.
30. Middle English
31. from Old English loc [bolt, bar]
源自 古英语 loc [插销，闩]
32. A length or curl of hair; a tress.
33. Often locks The hair of the head.
常作 locks 头发
34. A small wisp or tuft, as of wool or cotton.
35. Middle English
36. from Old English locc
源自 古英语 locc