(intransitive) To begin tracking a target via an automated system. / (transitive) To cause a missile to track (a target).

plural of locking

A surname.

plural of lockful

Enough water to fill a canal lock.

Third-person singular simple present indicative form of lock in

A village on the outskirts of Weston-super-Mare. Somerset, England / A surname.

Third-person singular simple present indicative form of lock on

present participle of lock on

present participle of lock in