anglewing

[ang-guh l-wing]

noun

any of several nymphalid butterflies, especially of the genus Polygonia, having angular notches on the outer edges of the forewings.

Origin of anglewing

An Americanism dating back to 1900–05; angle1 + wing
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019