(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.

plural of friend of mine

simple past tense and past participle of salt the mine

present participle of salt the mine

Third-person singular simple present indicative form of salt the mine

Used other than figuratively or idiomatically: see salt, the, mine. / (by extension) To set up a confidence trick; to plant false evidence of the value of something.

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

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

(idiomatic) Something whose sensitivity to adverse conditions makes it a useful early indicator of such conditions; something which warns of the coming of greater danger or trouble by a deterioration in its health or welfare.