( n. )
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.
( n. )
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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012