Definition of longwing in English:

longwing

Pronunciation /ˈlɒŋwɪŋ/

See synonyms for longwing

noun

  • 1US A nymphalid butterfly of the chiefly tropical subfamily Heliconiinae, characterized by long wings boldly marked in black, red, and yellow.

  • 2Falconry
    = long-winged hawk .

Origin

Late 18th century (in an earlier sense). From long + wing.