underwing

American  

[uhn-der-wing] / ˈʌn dərˌwɪŋ /

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 British  

/ ˈʌndəˌwɪŋ /

noun

1. the hind wing of an insect, esp when covered by the forewing

2. See red underwing yellow underwing

---

Etymology

Origin of underwing

First recorded in 1525–35; under- + wing

Example Sentences

Reddick’s team was found to have made an unapproved adjustment on the underwing of the No. 45 Toyota after going through tech, resulting in car chief Michael Hobson being ejected from the race.

From Seattle Times

But its method so far has failed to establish itself as reliable, and the underwing rocket had less capacity than more conventional systems used by companies like Elon Musk’s SpaceX.

From New York Times

Virgin Orbit’s underwing rocket also had less capacity than more conventional systems like Elon Musk’s Space X. It was always likely to be more of a niche product than those of competitors.

From New York Times

Adults boast spotted wings with bright scarlet underwings and yellow marks on its abdomen.

From Washington Times

They’re stopped on the way and taken underwing by John Malkovich’s Ranger Bright — a loathsome minion of the big boss, Frog, whose identity remains a mystery well into the film.

From New York Times