any worms of the phylum Annelida, in which the body is divided into segments both externally and internally. The group includes the earthworms, lugworm, ragworm, and leeches
adjective
2.
of, relating to, or belonging to the Annelida
Derived forms
annelidan (əˈnɛlɪdən)
noun, adjective
Word origin
C19: from New Latin Annelida, from French annelés, literally: the ringed ones, from Old French annel ring, from Latin ānellus, from ānulus ring
annelid in American English
(ˈænəˌlɪd)
noun
1.
any of a phylum (Annelida) of roundish, wormlike animals having long, segmented bodies, a brain and ventral nerve cord, and a closed circulatory system, including polychaetes, oligochaetes, and leeches
adjective
2.
of this phylum
Derived forms
annelidan (anˈnelidan) (əˈnɛlɪdən)
adjective
Word origin
< ModL < Fr annélide < annelés, ringed < L annellus, dim. of anulus, a ring: see annular