A section of a canal used to raise or lower vessels

plural of lockback

A type of folding knife in which the blade locks in its extended position by means of a lock on the back of the handle that is released by pressing on a portion of the locking arm or lever (that is, the means of release is likewise on the back of the handle).

(finance) A long-term investment to be left alone until some future time.

plural of lockaway

(now historical) A small house where people are kept in temporary custody after arrest, especially where debtors are held before transfer to a debtors' prison.

(dated) A zip fastener.

plural of lockblade

A knife whose blade can be locked in position when fully extended.

plural of shot in the locker