plug

About 5.73 uses per million words.

Meaning

noun A pronged connecting device which fits into a mating socket, especially an electrical one.
I pushed the plug back into the electrical socket and the lamp began to glow again.
noun An electric socket: wall plug.
noun Any piece of wood, metal, or other substance used to stop or fill a hole.
Pull the plug out of the tub so it can drain.
noun A flat oblong cake of cured and pressed tobacco; the tobacco that constitutes it.
He preferred a plug to snuff.
noun A high, tapering silk hat.
noun A worthless horse.
That sorry old plug is ready for the glue factory!
noun Any worn-out or useless article.
noun A book that fails to sell.