present participle of lock in

A surname.

plural of lockful

Enough water to fill a canal lock.

(firearms) The time, usually measured in milliseconds, from when the trigger is pulled until the firing pin strikes the primer.

(computing) A lock key on a computer keyboard, which, when pressed, causes all subsequently typed letters to be capitalised except those typed while holding the shift key.

(computing) A key on a standard extended keyboard which, when pressed, toggles the keys of the numeric keypad between cursor control functions and numeric digits.

A lock and plate fixed to the surface of a door rather than morticed within the door.

To kiss. / To hook a fish.

(slang, chiefly US) To kiss for an extended period of time. / (fishing) To hook a fish by inserting a curled finger under the gill cover and extending it to the fish's jaw.