| Annuloid | a. (Zool.) Of or pertaining to the Annuloida. [ 1913 Webster ] |
| Annuloida | ‖n. pl. [ NL., fr. L. annulus ring + -oid. ] (Zool.) A division of the Articulata, including the annelids and allied groups; sometimes made to include also the helminths and echinoderms. |