MEZZO Meaning of MEZZO in English [ 'mɛtsəʊ ](also ~-soprano ) ■ noun ( plural ~s ) a female singer with a voice pitched between soprano and contralto.OriginC18: Ital., from L. medius 'middle'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004