annelid

Concise Oxford English Dictionary © 2008 Oxford University Press:
annelid /ˈanəlɪd/

▶noun Zoology a segmented worm of the phylum Annelida, which includes earthworms, lugworms, ragworms, and leeches.

– derivatives
annelidan noun & adjective.

– origin from mod. L. Annelida, from Fr. (animaux) annelés ‘ringed (animals)’, from OFr. anel ‘a ring’, from L. anellus, dimin. of anulus ‘a ring’.