(aviation) A component of an aircraft wheel held in place by a metal alloy with a low melting point, such that, if the wheel is severely overheated (for instance, by heavy braking), pressure is released from the wheel and tire/tyre in a controlled manner rather than risking an explosion of the wheel assembly.

A small mudhole used for washing out a steam boiler, usually screwed into a taper thread, rather than being held by clamps.

Alternative form of plug and play

(chiefly US, idiomatic) Having no or almost no value; worthless.

(idiomatic, intransitive, informal) To cease drinking alcohol; to become teetotal.

plural of carom plug

plural of lip plug

plural of plugged nickel

Third-person singular simple present indicative form of plug up

present participle of plug up