I. ˌanyəˈläd.ə, -ād.ə
Etymology: New Latin, from Latin, neuter plural of annulatus
synonym of annelida
II. noun plural
Usage: capitalized
Etymology: New Latin, from Latin
in some classifications : a major division of Invertebrata comprising bilaterally symmetrical animals with true metamerism and including the annelids, arthropods, and a few related forms