Definition of Elysiidae
:a family of slender creeping sea slugs with distinct head, tapering tail, auriculate tentacles, and lateral body folds functioning as fins when the animal swims
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Elysiidae
plural noun
El·y·si·idae
\
ˌeləˈsīəˌdē
\
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Origin and Etymology of elysiidae
New Latin, from Elysia, type genus + -idae
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