Annelida
noun plural
An·nel·i·da
ə-ˈnel-ə-də, a- 
: a phylum of coelomate and usually elongated segmented invertebrates (as earthworms, various marine worms, and leeches)
Cite this Entry
“Annelida.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Annelida. Accessed 30 Oct. 2025.
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