Definition of hairstreak in English:

hairstreak

Syllabification: hair·streak
Pronunciation: /ˈhe(ə)rˌstrēk
 
/

noun

  • A butterfly with a narrow streak or row of dots on the underside of the hind wing and a small taillike projection on the hind wing.
    • Many genera in the family Lycaenidae
    More example sentences
    • The leaves serve as host for the larvae of two butterflies, the white hairstreak and the brown duskywing.
    • It is hoped that birds such as the lapwing, skylark and redshank will increasingly use the sites as well as butterflies such as the green hairstreak.
    • Trees stabilize the ecosystem for butterflies like the great purple hairstreak.

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Pronunciation: kəːf
noun
a slit made by cutting with a saw