Definition of Nudibranchia
: a suborder of Opisthobranchia comprising numerous highly varied marine gastropod mollusks lacking a shell in the adult state and without true ctenidia and typically having a body suggesting that of a slug usually with brightly colored often branching respiratory cerata on the back
nudibranchiate\-ēə̇t, -ēˌāt\ adjective or noun
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 nudibranchia
New Latin, from nudi- + -branchia
Seen and Heard
What made you want to look up Nudibranchia? Please tell us where you read or heard it (including the quote, if possible).