ultimobranchial Syllabification: (ul·ti·mo·bran·chi·al)Pronunciation: /ˌəltəmōˈbraNGkēəl/Definition of ultimobranchial adjective Zoology relating to or denoting a gland in the neck that in many lower vertebrates regulates the calcium level in the body. ultimobranchial in other Oxford dictionaries Definition of ultimobranchial in the British & World English dictionary
