Couloir
Couloir noun - A narrow opening between hillsides or mountains that can be used for passage.
Usage example: at one point the steep, ice-encrusted walls of the couloir are no more than 50 feet apart
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Synonyms for Couloir
Valley
Valley noun - An area of lowland between hills or mountains.
Mutual synonyms
Cite this Source
Valley and Couloir. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/couloir/valley
Couloir & Valley. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/couloir/valley>.
Valley or Couloir. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/couloir/valley.
Google Ngram Viewer shows how "couloir" and "valley" have occurred on timeline