mine
noun [ C ]
NATURAL RESOURCES, PRODUCTION uk/maɪn/ usa place in the ground where substances such as coal, metal, and salt are removed, or the area and buildings around this place:
in/down the mine 2,000 people work down the mine.
a coal/salt/gold mine
a mine shaft
mine
verb [ I or T ]
NATURAL RESOURCES, PRODUCTION uk/maɪn/ usto dig coal or another substance out of the ground:
mine for sth They're mining for salt.
They mine a lot of copper around these parts.