From Longman Dictionary of Contemporary Englishconnoisseurcon‧nois‧seur /ˌkɒnəˈsɜː $ ˌkɑːnəˈsɜːr/ noun [countable] KNOW somethingsomeone who knows a lot about something such as art, food, or music a wine connoisseurconnoisseur of Fry was a connoisseur of Renaissance art.► see thesaurus at expert
Examples from the Corpus
connoisseur• One need only be a connoisseur.• The wine would have delighted a connoisseur.• He was a connoisseur of beans.• Lord Burlington was a great collector and connoisseur of paintings.• But motorists, explorers and connoisseurs of beauty will follow the usual route departing along the A.83s.• The golden chanterelle, as it is commonly known, is a favorite among mushroom connoisseurs.• Many knowing rabbit connoisseurs and hunters prize simple fried rabbit.From Longman Business Dictionaryconnoisseurcon‧nois‧seur /ˌkɒnəˈsɜːˌkɑːnəˈsɜːr/ noun [countable] someone who knows a lot about something such as art, wine etcan art historian and connoisseur of drawingsOrigin connoisseur (1700-1800) Early French, from Old French connoistre “to know”, from Latin cognoscere; → COGNITION 