Couloir
ahd-5
noun.
A deep mountainside gorge or gully, especially in the Swiss Alps.
The Century Dictionary and Cyclopedia
noun.
A dredging-machine which employs iron elevator-buckets on an endless chain and excavates by making a gully where the buckets pass.
noun.
A steeply ascending gorge or gully: applied especially to gorges near the Alpine summits.
the GNU version of the Collaborative International Dictionary of English
noun.
A deep gorge; a gully.
noun.
A dredging machine for excavating canals, etc.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A steep
gorge
along a
mountainside
.