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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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of underwing

First recorded in 1525–35; under- + wing

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The parts housing the bearings helped hold the jet’s underwing engines in place.

From The Wall Street Journal May 19, 2026

Virgin Orbit, founded in 2017, launches a small rocket called LauncherOne from the underwing of a modified Boeing 747, named Cosmic Girl.

From The Verge Aug. 23, 2021

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 May 7, 2020

John Phillips, an underwing mechanic at Spirit, is also looking for work outside Wichita after being laid off.

From The Guardian Feb. 1, 2020

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 Slippy McGee, Sometimes Known as the Butterfly Man by Marie Conway Oemler

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