a grouse, Dendragapus obscurus, of W North America, having a bluish-grey plumage with a black tail
blue grouse in American English
noun
a dull gray grouse, Dendragapus obscurus, of western North America, the male of which has a yellow or orange comb
Also called: dusky grouse, sooty grouse
Word origin
[1855–60, Amer.]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: keyword, kickoff, output, pipeline, superheat