ravine
nounA deep narrow valley or gorge in the earth’s surface worn by running water.
nounSame as
A raging flood.
nounA long deep hollow worn by a stream or torrent of water; hence, any deep narrow gorge, as in a mountain; a gully.
nounA torrent of water.
nounA deep and narrow hollow, usually worn by a stream or torrent of water; a gorge; a mountain cleft.
nounA deep narrow
a deep narrow steep-sided valley (especially one formed by running water)