annelid

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annelid

(ăn′ə-lĭd)
n.
Any of various worms or wormlike animals of the phylum Annelida, characterized by an elongated, cylindrical, segmented body and including the earthworms and the leeches.

an·nel′i·dan (ə-nĕl′ĭ-dən) adj.

annelid

a member of the animal phylum Annelida, a group containing the segmented worms, e.g. earthworms, polychaete worms and leeches. Annelids are characterized by the presence of METAMERIC SEGMENTATION, a COELOM, well-developed blood and nervous systems, and NEPHRIDIA.