PETIT FOUR Meaning of PETIT FOUR in English [ ˌpətɪ'fɔ: , ˌpɛtɪ ]■ noun ( plural petits fours 'fɔ:z ) a very small fancy cake, biscuit, or sweet.OriginFr., lit. 'little oven'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004