BRANCHIA Meaning of BRANCHIA in English [ 'braŋkɪə ]■ noun ( plural ~e -kɪi: ) the gills of fish and some invertebrates.Derivatives~l adjective OriginC17: from L. ~ , (plural) ~e , from Gk brankhia (plural). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004