n. A vertical hole, sunk down through the strata to reach the mineral which was to be mined.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine
Word Usage
"As a person who is by nature very direct and to the point, dating is a mystery trapped in a puzzle, tucked in a fireproof safe thrown down a mineshaft."