plural noun
My·​da·​i·​dae | \mīˈdāəˌdē\

Definition of Mydaidae 

: a small family of American and Australian dipterous insects containing the largest known two-winged flies

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History and Etymology for Mydaidae

New Latin, from Mydas, type genus (irregular from Greek midax, an insect destructive to beans) + -idae

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a soft lustrous wool fabric with mohair

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