mine

Universal Words pronoun, noun, verb pronoun (the POSSESSIVE form of I) of or belonging to the person writing or speaking: That's mine. * He's a friend of mine (= one of my friends). noun 1 a deep hole or holes under the ground where minerals such as coal, gold, etc. are dug: a copper / diamond mine seealsoMINING, COALMINE, GOLDMINE comparePIT, QUARRY 2 a type of bomb that is hidden under the ground or in the sea and that explodes when sb/sth touches it seealsoLANDMINE IDIOMS a mine of information (about / on sb/sth) a person, book, etc. that can give you a lot of information on a particular subject verb 1 to dig holes in the ground in order to find and obtain coal, diamonds, etc: [VN] The area has been mined for slate for centuries. * Uranium is mined from deep underground. * [V] They were mining for gold. 2 [VN] to place mines below the surface of an area of land or water; to destroy a vehicle with mines: The coastal route had been mined. * The UN convoy was mined on its way to the border.