- a dull gray grouse, Dendragapus obscurus, of western North America, the male of which has a yellow or orange comb.
Origin of blue grouse
An Americanism dating back to 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a grouse, Dendragapus obscurus, of W North America, having a bluish-grey plumage with a black tail