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.

plural of lock-in

(medicine, neurology) A rare, severe physical disorder in which a person cannot speak and is paralyzed—with the possible exception of some voluntary eye movement—while their mental faculties remain fully intact.

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

(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.

(geology) A fault that does not slip due to high friction. Such faults accumulate stress which is finally released as an earthquake.

simple past tense and past participle of lock out

present participle of lock out

present participle of lock up

simple past tense and past participle of lock up