Danaidae
plural noun
Da·na·i·dae
\dəˈnāəˌdē\
Definition of Danaidae
: a small family of large chiefly tropical butterflies having the first pair of legs degenerate in the adult and usually a disagreeable taste that serves to protect them from predators
From the M-W Editors
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Origin and Etymology of danaidae
New Latin, from Danaus, type genus + -idae
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