In dictionaries:
lock on
Securely fix attention or aim.
lock up
Securely confine or imprison someone.
lock in
Secure commitment to a decision.
door lock
Caps Lock
Locks capital letters on keyboard.
air lock
Sealed chamber for controlled access.
combination lock
Secure access through numerical sequence.
lock key
Any of certain keys of a computer keyboard that switch between certain states, which may be represented by LEDs.
Num Lock
Activates numeric keypad on keyboard.
lock nut
Nut that prevents loosening movement.
lock haven
Safe harbor or refuge area.
lock onto
Focus or attach firmly to target.
lock gates
phase lock
Synchronization of frequencies between oscillators.
lock box
Secure storage for valuable items.
lock washer
Prevents loosening through applied tension.
Scroll Lock
(computing) A key on a standard extended keyboard, originally causing the arrow keys to scroll a window rather than moving a cursor, now sometimes used for other purposes.
lock horns
Engage in intense verbal conflict.
lock step
Moving together in synchronized manner.
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