underwing

[ uhn-der-wing ]

noun

1. one of the hind wings of an insect.
2. Also underwing moth. any of several noctuid moths of the genus Catocala, characterized by red-, yellow-, or orange-banded hind wings.

underwing

/ ˈʌndəˌwɪŋ /

noun

1. the hind wing of an insect, esp when covered by the forewing
2. See yellow underwing, red underwing
   See red underwing yellow underwing

Word History and Origins

Origin of underwing¹

First recorded in 1525–35; under- + wing

Example Sentences

In short, the spoiler in the rear and the underwing in the front work together to keep the car’s rubber on the road.

From Popular-Science

The underwing is a curved component underneath the front end that’s designed to accelerate the air that flows under the car, creating a low-pressure area that pulls that part of the car downwards.

From Popular-Science

Underwing, un′dėr-wing, n. a moth with conspicuous underwings, esp.

From Project Gutenberg

The bases of the primaries are bright chestnut, and the whole underwing is of that color; bill black; eye and feet reddish.

From Project Gutenberg

The first thing I ever got from her was a lovely look, the first time ever I set eyes on her she came with an underwing moth.

From Project Gutenberg