/ ˌkɒnəˈsɜː(r); NAmE ˌkɑːnəˈsɜːr; -ˈsʊr/ noun
an expert on matters involving the judgement of beauty, quality or skill in art, food or music :
a connoisseur of Italian painting
a wine connoisseur
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WORD ORIGIN
early 18th cent.: from obsolete French , from conoistre know.