ˈbraŋkēəˌmi(ə)r noun
( -s )
Etymology: branchi- + -mere
: a branchial segment ; especially : one of the metameres indicated by the visceral arches and clefts of the embryo of airbreathing vertebrates
• bran·chi·o·mer·ic |braŋkēə|merik adjective
• bran·chi·om·er·ism ˌbraŋkēˈäməˌrizəm noun -s