• synonyms


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

First recorded in 1525–35; under- + wing
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for underwing

Historical Examples of underwing

  • 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.

    Slippy McGee, Sometimes Known as the Butterfly Man

    Marie Conway Oemler

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

British Dictionary definitions for underwing


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