‖n. pl. [ NL., fr. Gr. &unr_;, &unr_;. See Apod, n. ] (Zool.) (a) A group of cirripeds, destitute of footlike organs. (b) An order of Amphibia without feet. See Ophiomorpha. (c) A group of worms without appendages, as the leech. [ 1913 Webster ]