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 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