Definition of Zoanthidea
: a small order of Zoantharia comprising solitary or colonial and mostly epizoic coelenterates resembling small sea anemones but distinguished by absence of a pedal disk and by an arrangement of mesenteries suggesting that of the fossil tetracorals
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of zoanthidea
New Latin, from Zoanthus + -idea
Seen and Heard
What made you want to look up Zoanthidea? Please tell us where you read or heard it (including the quote, if possible).