(wrestling) A lock in which a close grip is obtained and a fall attempted by a heave over the hip.

plural of combination lock

Alternative form of lockup

plural of tidal lock

plural of lock-up

plural of lock screen

A screen displayed by a computer or mobile device left unattended, requiring the user to perform a certain action to regain access.

plural of ankle lock

(mechanical engineering, usually uncountable) A condition that arises when a device which compresses gases seizes up because of the infiltration of liquid, which prevents further compression.

To seize up because liquid has infiltrated a mechanism for compressing gasses. / To form a seal by employing a mechanism that uses hydrostatic pressure.