(n.pl.) A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chaetopoda, including the Oligochaeta or earthworms and Polychaeta or marine worms; and the Hirudinea or leeches. See Chaetopoda.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). annelida. Retrieved September 23, 2026, from http://smartdefine.org/annelida/definitions/1974021 |
| Chicago | Webster's. 2011. "annelida" http://smartdefine.org/annelida/definitions/1974021 (accessed September 23, 2026). |
| Harvard | Webster's 2011, annelida, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/annelida/definitions/1974021>. |
| MLA | Webster's. "annelida" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/annelida/definitions/1974021> |