noun jan·thi·na \ˈjan(t) thənə\

Definition of janthina

  1. 1 capitalized :  the type genus of Janthinidae comprising pelagic snails of warm seas that have a thin spiral purple shell, a large head, and protrusible gills

  2. 2 plural -s :  any snail of the genus Janthina

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Origin and Etymology of janthina

New Latin, from Latin ianthina, feminine of ianthinus violet-blue, from Greek ianthinos, from ion violet + anthos flower — more at violet, anthology

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to cast off or become cast off

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