Couloir and Flume

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

Flume and couloir are semantically related. In some cases you can use "Flume" instead a noun "Couloir".

Flume

Flume noun - A narrow opening between hillsides or mountains that can be used for passage.
Usage example: hiked through the flume and into the meadow beyond it
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Synonyms for Flume

Couloir and flume are semantically related. Sometimes you can use "Couloir" instead a noun "Flume".
Cite this Source
Flume and Couloir. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/couloir/flume
Couloir & Flume. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/couloir/flume>.
Flume or Couloir. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/couloir/flume.
Google Ngram Viewer shows how "couloir" and "flume" have occurred on timeline