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

 

mutton

 noun
noun
BrE BrE//ˈmʌtn//
 
; NAmE NAmE//ˈmʌtn//
 
[uncountable] Meat
 
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  • meat from a fully grown sheep compare lamb See related entries: Meat
  • Word Origin Middle English: from Old French moton, from medieval Latin multo(n-), probably of Celtic origin; compare with Scottish Gaelic mult, Welsh mollt, and Breton maout.Idioms (British English, informal, disapproving) used to describe a woman who is trying to look younger than she really is, especially by wearing clothes that are designed for young people
    See the Oxford Advanced American Dictionary entry: mutton