An`nel´i`da
| n. pl. | 1. | (Zool.) A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chætopoda, including the Oligochæta or earthworms and Polychæta or marine worms; and the Hirudinea or leeches. See Chætopoda. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  Annelida - segmented worms: earthworms; lugworms; leechesanimal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals annelid, annelid worm, segmented worm - worms with cylindrical bodies segmented both internally and externally Archiannelida, class Archiannelida - a class of Annelida class Oligochaeta, Oligochaeta - earthworms class Polychaeta, Polychaeta - marine annelid worms class Hirudinea, Hirudinea - hermaphroditic aquatic or terrestrial or parasitic annelids phylum - (biology) the major taxonomic group of animals and plants; contains classes |
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