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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
“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


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Word History and Origins

Origin of underwing1

First recorded in 1525–35; under- + wing
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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.

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.

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

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

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.

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