Meaning & Definition of word "Lock"

Lock

/lɒk/

1. A device for securing a door, gate, or container, requiring a key or combination to operate.
- Example: She turned the key and heard the satisfying click of the lock.
2. A mechanism that prevents movement or progress.
- Example: The security system has a lock on all unauthorized access.

1. To secure something with a lock.
- Example: Please lock the door before you leave the room.
2. To prevent someone from entering or participating.
- Example: The committee decided to lock the application process until next month.
3. To make something immovable or inoperable.
- Example: He accidentally locked the wheels of his suitcase.

Old English 'locc' meaning 'to enclose, fasten'.

lock and key:

secured closely, unable to access.

lock horns:

to engage in a conflict or argument.

lock down:

to secure a place or situation.

lock in:

to guarantee or secure an agreement.

unlock:

to open or release from a lock.

key:

a device used to open a lock.

padlock:

a detachable lock with a shackle that can be passed through a staple.

Meaning: To lock someone up; to imprison.

Example Sentence: He locked him up for the night after the incident.

Meaning: To secure a deal or agreement.

Example Sentence: We really locked it down with that last meeting.