(construction) indenting two or more thicknesses of metal that are pressed against each other to prevent slippage between the metal.

One can only claim that something is a success after it has been tried out or used.

Alternative form of take down a notch

(computing, historical) A machine that punches holes in a punch card

plural of pulse detonation engine

A sweet spongy pudding from South Africa made with apricot jam.

(music) A genre that combines elements of punk rock with elements of pop music.

A manually operated device for lifting and moving pallets.

(sometimes proscribed) Alternative form of the proof of the pudding is in the eating

(medicine) A device used to monitor the oxygen level of a patient's blood.