Definition of Gyrinidae
:a family of aquatic beetles comprising the whirligig beetles
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Gyrinidae
plural noun
Gy·rin·i·dae
\
jə̇ˈrinəˌdē
,
jī-
\
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Origin and Etymology of gyrinidae
New Latin, from Gyrinus, type genus (from Greek gyrinos tadpole, from gyros round) + -idae
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