annelida Meaning, Definition & Usage

  1. noun segmented worms: earthworms; lugworms; leeches
    phylum Annelida.

WordNet

An*nel"i*da noun plural
Etymology
NL. See Annelid.
Definitions
  1. (Zoöl.) 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.

Webster 1913