
1) Arroyo 2) Barranca 3) Canyon 4) Chasm 5) Coulee 6) Deep chasm 7) Deep gorge 8) Deep narrow gauge 9) Deep narrow gorge 10) Defile 11) Enlarged gully 12) Eroded valley 13) French word used in English 14) Gorge 15) Gulch 16) Gully 17) Large gully 18) Mountain separator 19) Mountaineering obstacle 20) Narrow cleft
Found on
https://www.crosswordclues.com/clue/ravine

1) Arroyo 2) Canyon 3) Chasm 4) Gap 5) Gorge 6) Gulch 7) Kloof 8) Nulla 9) Wadi
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https://www.crosswordclues.com/clue/ravine

a deep narrow cleft in the earths surface usually caused by runoff.
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http://camposaur.com/camping-glossary/

A ravine is a landform narrower than a canyon and is often the product of streamcutting erosion. Ravines are typically classified as larger in scale than gullies, although smaller than valleys. ==Overview== A ravine is generally a fluvial slope landform of relatively steep (cross-sectional) sides, on the order of twenty to seventy percent in gradi...
Found on
http://en.wikipedia.org/wiki/Ravine

• (n.) A deep and narrow hollow, usually worn by a stream or torrent of water; a gorge; a mountain cleft. • (n.) A torrent of water. • (n.) Food obtained by violence; plunder; prey; raven. • (v. t. & i.) See Raven, v. t. & i.
Found on
http://thinkexist.com/dictionary/meaning/ravine/

Deep, narrow gouge in the earth's surface, usually eroded by the flow of water.
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http://www.americantrails.org/

(from the article `valley`) Valley initiation on the Hawaiian volcanoes thus depends on rainfall and infiltration capacity. When runoff valleys are initiated, their streams ...
Found on
http://www.britannica.com/eb/a-z/r/15

Another name for a narrow gorge.
Found on
http://www.encyclo.co.uk/local/21748

Ra·vine' (rȧ*vēn') noun [ French, a place excavated by a torrent, a ravine, from ravir to snatch or tear away, Latin rapere ; confer Latin rapina rapine. See Ravish , and confer Rapine , Raven prey.] 1. A torrent of water. [ Obsolete]
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http://www.encyclo.co.uk/webster/R/15

[
n] - a deep narrow steep-sided valley (especially one formed by running water)
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http://www.webdictionary.co.uk/definition.php?query=ravine

ravine, ravines 1. A deep narrow valley or gorge in the earth's surface worn by running water. 2. Etymology: from about 1760, 'deep gorge' came from French ravin, 'a gully'. In 1690, from Old French raviner, 'to hollow out'; and from French ravine, 'violent rush of water, gully'. From Old French ravine, 'violent rush, robbery, rapine'; both ultim...
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http://www.wordinfo.info/words/index/info/view_unit/1830/3
noun a deep narrow steep-sided valley (especially one formed by running water)
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https://www.encyclo.co.uk/local/20974

A ravine is a deep valley with steep sides. It is smaller than a canyon and often narrower. It is formed when running water erodes (wears away) an area of land. Sometimes that water may continue to flow through the ravine;some ravines may only have seasonal streams. We hiked through the ravine.
Found on
https://www.nps.gov/subjects/islandofthebluedolphins/glossary.htm
No exact match found.