Min·er n.
 1. One who mines; a digger for metals, etc.; one engaged in the business of getting ore, coal, or precious stones, out of the earth; one who digs military mines; as, armies have sappers and miners.
 2. Zool. (a) Any of numerous insects which, in the larval state, excavate galleries in the parenchyma of leaves.  They are mostly minute moths and dipterous flies. (b) The chattering, or garrulous, honey eater of Australia (Myzantha garrula).
 Miner's elbow Med., a swelling on the black of the elbow due to inflammation of the bursa over the olecranon; -- so called because of frequent occurrence in miners.
 Miner's inch, in hydraulic mining, the amount of water flowing under a given pressure in a given time through a hole one inch in diameter. It is a unit for measuring the quantity of water supplied.

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