noun pl \ə-ˈnel-ə-də, a-\

Definition of ANNELIDA

: a phylum of coelomate and usually elongated segmented invertebrates (as earthworms, various marine worms, and leeches)
an·ne·lid \ˈan-əl-əd\ noun or adjective
an·nel·i·dan \ə-ˈnel-əd-ən, a-\ adjective or noun

Seen & Heard

What made you want to look up Annelida? Please tell us where you read or heard it (including the quote, if possible).