Definition of ruff noun from the Oxford Advanced Learner's Dictionary

     

    ruff

     noun
    noun
    BrE BrE//rʌf//
     
    ; NAmE NAmE//rʌf//
     
    Parts of animals
     
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  1. 1a ring of coloured or marked feathers or fur around the neck of a bird or an animal See related entries: Parts of animals
  2. 2 a wide stiff white collar with many folds in it, worn especially in the 16th and 17th centuries
  3. Word Origin early 16th cent. (first used denoting a frill around a sleeve): probably from a variant of rough.
See the Oxford Advanced American Dictionary entry: ruff