‖n. pl. [ Neut. pl., fr. L. annulatus ringed. ] (Zool.) A class of articulate animals, nearly equivalent to Annelida, including the marine annelids, earthworms, Gephyrea, Gymnotoma, leeches, etc. See Annelida. [ 1913 Webster ]
n. (Zool.) One of the Annulata. [ 1913 Webster ]
{ a. [ L. annulatus. ] 1. Furnished with, or composed of, rings; ringed; surrounded by rings of color. [ 1913 Webster ]
2. (Zool.) Of or pertaining to the Annulata. [ 1913 Webster ]
n. A circular or ringlike formation; a ring or belt. Nicholson. [ 1913 Webster ]