hairstreak

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noun hair·streak \ ˈher-ˌstrēk \

Definition of hairstreak

:any of a subfamily (Theclinae of the family Lycaenidae) of small butterflies usually having striped markings on the underside of the wings and thin filamentous projections from the hind wings

Recent Examples of hairstreak from the Web

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First Known Use of hairstreak

1815


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