- Mine entrance
- Mine opening
- Mine part
- Mine passage
- Mine slope
- Of numbers
- An entrance or passage. Specifically: The nearly horizontal
opening by which a mine is entered, or by which water and ores are
carried away; -- called also drift and tunnel.
- 1971 film about a black detective, played by Richard Roundtree
- An arrow
- Arrow
- Building’s lift cavity
- Mine part
- Mine's passage
- Ray (of light)
- That part of a mine from which the mineral has been partially
or wholly removed; the waste left in old workings; -- called also gob .
- destabilise
- Destroy by degrees
- Weaken
- To excavate the earth beneath, or the part of,
especially for the purpose of causing to fall or be overthrown; to form
a mine under; to sap; as, to undermine a wall.
- Fig.: To remove the foundation or support of by
clandestine means; to ruin in an underhand way; as, to undermine
reputation; to undermine the constitution of the state.