- 1[transitive, intransitive] to dig holes in the ground in order to find and obtain coal, diamonds, etc. mine something (for something) The area has been mined for slate for centuries. Uranium is mined from deep underground. mine (for something) They were mining for gold.
- 2[transitive] mine something 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.
NAmE//maɪn//Verb Forms present simple I / you / we / they mine
he / she / it mines
past simple mined
-ing form mining