ravine

English Thesaurus

1. a deep narrow steep-sided valley (especially one formed by running water) (noun.object)

hypernym	:	vale, valley,
definition	:	a long depression in the surface of the land that usually contains a river (noun.object)

hyponym	:	canon, canyon,
definition	:	a ravine formed by a river in an area with little rainfall (noun.object)

hyponym	:	gorge,
definition	:	a deep ravine (usually with a river running through it) (noun.object)