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mutton

2 ENTRIES FOUND:
mutton /ˈmʌtn̩/ noun
mutton
/ˈmʌtn̩/
noun
Britannica Dictionary definition of MUTTON
[noncount]
: the meat of an adult sheep used as food

mutton dressed as lamb

British, informal + disapproving
: a woman who tries to make herself look younger by wearing clothes designed for young people