\Ruffed\, a.
Furnished with a ruff.
{Ruffed grouse} (Zo["o]l.), a North American grouse ({Bonasa
   umbellus}) common in the wooded districts of the Northern
   United States. The male has a ruff of brown or black
   feathers on each side of the neck, and is noted for the
   loud drumming sound he makes during the breeding season.
   Called also {tippet grouse}, {partridge}, {birch
   partridge}, {pheasant}, {drummer}, and {white-flesher}.
{ruffed lemur} (Zo["o]l.), a species of lemur ({lemur
   varius}) having a conspicuous ruff on the sides of the
   head. Its color is varied with black and white. Called
   also {ruffed maucaco}.