Definition of longwing in English:

longwing

noun

  • 1Chiefly US. 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.

Pronunciation

longwing

/ˈlɒŋwɪŋ/