Opisthobranchia

plural noun

Opis·​tho·​bran·​chia
zoology
: a large order of Euthyneura comprising marine gastropod mollusks having the gills when present posterior to the heart and having no operculum compare streptoneura see nudibranchia, tectibranchia
opisthobranchiate
⸗¦⸗⸗¦braŋkēə̇t
-ēˌāt
adjective or noun

Word History

Etymology

New Latin, from opisth- + -branchia

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Dictionary Entries Near Opisthobranchia

Cite this Entry

“Opisthobranchia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Opisthobranchia. Accessed 13 Jun. 2024.

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