NOTOCHORD Meaning of NOTOCHORD in English [ 'nəʊtə(ʊ)kɔ:d ]■ noun Zoology a cartilaginous skeletal rod supporting the body in all embryonic and some adult chordate animals.OriginC19: from Gk nōton 'back' + chord 2 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004