see mien.-belonging to me; my. used as a pronominal to me; my. used as a pronominal adjective in the predicate; as, "vengeance is mine; i will repay." rom. xii. 19. also, in the old style, used attributively, instead of my, before a noun beginning with a vowel.-to dig a mine or pit in the earth; to get ore, metals, coal, or precious stones, out of the earth; to dig in the earth for minerals; to dig a passage or cavity under anything in order to overthrow it by explosives or otherwise.-to form subterraneous tunnel or hole; to form a burrow or lodge in the earth; as, the mining cony.-to dig away, or otherwise remove, the substratum or foundation of; to lay a mine under; to sap; to undermine; hence, to ruin or destroy by slow degrees or secret means.-to dig into, for ore or metal.-to get, as metals, out of the earth by digging.-a subterranean cavity or passage-a pit or excavation in the earth, from which metallic ores, precious stones, coal, or other mineral substances are taken by digging; -- distinguished from the pits from which stones for architectural purposes are taken, and which are called quarries.-a cavity or tunnel made under a fortification or other work, for the purpose of blowing up the superstructure with some explosive agent.-any place where ore, metals, or precious stones are got by digging or washing the soil; as, a placer mine.-fig.: a rich source of wealth or other good.