a broad starched collar of fluted linen or muslin worn in the late 16th and early 17th cents
a fringe or frill of long hairs or feathers growing round the neck of a bird or other animal
(fem reeve) a Eurasian sandpiper the male of which has a large ruff of erectable feathers during the breeding season: Philomachus pugnax
ruffed adj
[prob back-formation from ruffle2]