present participle of lock out

simple past tense and past participle of lock up

Third-person singular simple present indicative form of lock up

present participle of lock up

(construction) a method of interlocking metal panels in which one panel edge is folded back on top of itself and the other panel is folded under, after which the two panels are hooked together.

plural of staircase lock

(waterways) A simple single-gate lock on a river or canal.

plural of flash lock

A set of locks on a waterway canal which rise steeply, and consisting of lock gates where the top gate of one lock is also the bottom gate of the next lock, not having a pound between each level.

(informal) To kiss on the lips; to engage in a French kiss.