1.DCCa stiff circular white collar, worn in the 16th century 飞边〔流行于16世纪的一种白色轮状硬领〕
2.HBBa circle of feathers or fur around the neck of an animal or bird 〔兽的〕颈毛;〔鸟的〕颈羽
Examples from the Corpus
ruff• Ruff ruff ruff ruff ruff ruff ruff ruff ruff ruff!• He was a stout man with a bald crown round which a ruff of brown hair grew thickly.• No Elizabethan dandy ever sported a finer ruff.• Seven ruff, without as yet their elaborate courtship adornments, fed at the northern tip of a tyke.• These actions cause the eye, beak and face to vanish beneath the shaggy white ruff.