Is “Couloir” a Scrabble word?
Yes
COULOIR
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Couloir
/kulˈwɑɹ/
noun
1.A steep gorge along a mountainside.