[ruffed grouse] n (ca. 1782): a No. American grouse (Bonasa umbellus) of heavy forests that has a ruff of erectile black feathers in the male that is lighter and less conspicuous in the female
RUFFED GROUSE
Meaning of RUFFED GROUSE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012