long, narrow, deep gully or hollow in the earth's surface, worn by a stream or flood of water
Deep, narrow gouge in the earth's surface, usually eroded by the flow of water.
A deep narrow steep sided valley
A long deep valley worn out through the centuries by a river or stream.
A valley larger than a gulch, smaller than a canyon, and less bold in relief than a gulch or arroyo.
a narrow valley with steep sides, eroded by running water. A ravine is larger than a gulley and smaller than a canyon. [AHDOS