Annelida

An·nel·i·da

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