Definition of: lophobranch

(lō′fō·brangk, lof′ō-) adjective
Of or pertaining to a division of teleost fishes (Lophobranchii), especially an order with imperfect branchial arches and tuftlike gill elements, including pipefishes and sea horses.
—noun One of the Lophobranchii. [<LOPHO- + Gk. branchion gill]
—lo′pho·bran′chi·ate (-kē·it, -āt) adjective & noun