- 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)