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calypter

noun ca·lyp·ter \ kəˈliptə(r) , ˈkalə̇p- \

Definition of calypter

plural calypters \-ə(r)z\ or calypteres \ˌkalə̇pˈti(ə)(ˌ)rēz\
1 :the alula of a two-winged fly especially when large enough to cover the halter
2 :calyptra

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Origin and Etymology of calypter

New Latin, from Greek kalyptēr sheath, from kalyptein to cover, conceal

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