First Known Use: 1851
Dictionary
prosobranch
noun pros·o·branch \ˈprä-sə-ˌbraŋk\
plural pros·o·branchs
Definition of PROSOBRANCH
: any of a subclass (Prosobranchia) of gastropod mollusks that have the loop of visceral nerves twisted into a figure eight, the sexes usually separate, and usually an operculum
— prosobranch adjective
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Origin of PROSOBRANCH
New Latin Prosobranchia, from proso- in front (from Greek prosō forward) + branchia gills (from Greek)
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