Definition of nudibranch
: any of an order (Nudibranchia) of marine opisthobranch mollusks without a shell in the adult state and without true gills
Recent Examples of nudibranch from the Web
If threatened by a predator, the nudibranch will discharge the stinging cells, says Valdés.
Name a flashy color, and there’s probably a nudibranch that rocks it, like a 1980s neon nightmare.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nudibranch.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of nudibranch
New Latin Nudibranchia, from Latin nudus + Greek branchia gills
First Known Use: 1844See Words from the same year
Learn More about nudibranch
Britannica.com: Encyclopedia article about nudibranch
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