‖n. pl. [ Neut. pl., fr. L. annulatus ringed. ] (Zool.) A class of articulate animals, nearly equivalent to
n. (Zool.) One of the Annulata. [ 1913 Webster ]
n. A circular or ringlike formation; a ring or belt. Nicholson. [ 1913 Webster ]
a. Hollow; affording a passage through its interior length for wire, thread, etc.;
a. [ Pref. ex- + annulate. ] (Bot.) Having the sporangium destitute of a ring; -- said of certain genera of ferns. [ 1913 Webster ]