1[uncountable]a plant with dark green leaves that have a fresh smell and taste and are added to food and drinks to give flavour, and used in cooking as a herb and to decorate foodmint-flavoured toothpasteI decorated the fruit salad with a sprig of mint.roast lamb with mint sauce2[countable]a sweet/candy flavoured with a type of mint called peppermintafter-dinner mints3[countable]a place where money is madethe Royal Mint (= the one where British coins and notes are made)The bills were fresh from the mint.4a mint[singular] (informal) a large amount of moneyto make/cost a mintThey must be worth a mint.