Any mine used for the extraction of salt. / (by extension) Any laborious work situation, especially in a confined space.

A mine for gold ore or metal. / (idiomatic) A very profitable economic venture. / (idiomatic) A plentiful stockpile of something sought after.

(military) A mine which responds to the magnetic field of a target.

(US, Mafia, slang) A personal friend of the speaker/writer who is not a member of the Mafia.

Alternative spelling of strip mine

To mine by creating a strip mine, usually for coal or tar sands.

present participle of strip-mine

(military) A mine that is placed on land and designed to explode when stepped upon or touched.

(slang, weaponry, video games) A proximity mine; a mine that explodes when something approaches within a certain distance.

A mine from which coal ore or coal minerals are mined.