from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One of a pair of hind wings of an insect, such as a moth.
  • n. Any of various noctuid moths of the genus Calocala, having brightly colored hind wings visible only during flight.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hind wing on an insect.
  • n. A member of the genus Catocala; a nocturnal moth which usually has brightly coloured underwings.

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the posterior wings of an insect.
  • n. Any one of numerous species of noctuid moths belonging to Catocala and allied genera, in which the hind wings are banded with red and black or other conspicuous colors. Many of the species are called red underwing.

from The Century Dictionary and Cyclopedia

  • n. A moth whose under wings are conspicuous in color or otherwise; specifically, a moth of the genus Catocala.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. moth having dull forewings and brightly colored hind wings


Sorry, no etymologies found.


  • It has several minor failings — among them limited a internal weapons carriage, rendering underwing carriage necessary (thus negating most of its stealth advantages), along with an inability to fire its air-to-air weapons at maximum speed.

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  • Match the artsy underwing of the pearl-bordered fritillary with the breathtaking views from the Morecambe Bay Limestones, just below the Lake District.

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  • I am guessing that this one is called the Modest Sphinx Moth because the plum coloured underwing is generally hidden.

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  • Lieutenant Commander Franz Kanaga led a dozen Helldivers, each bearing an asymmetric load of underwing bombs and fuel tanks.


  • The exceptions are only Patriot batteries, ammunition and underwing ordnance. so "Derek Blades", you are talking twaddle.

    On Thursday, the Legg report will be published along with...

  • It was another aircraft's ordinance (i.e. an unguided 5-inch Mk-32 "Zuni" rocket, one of four contained in a LAU-10 underwing rocket pod) mounted on a F-4 Phantom II, which accidentally fired due to an electrical power surge during the switch from external power to internal power.

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  • With a maximum speed of 288 MPH (460 KPH) it was able to operate from roadways, even in jungle and it could carry up to 3,600 pounds of assorted bombs, cannon, machine guns and missiles on five weapon attachment points; plus 1,200 pounds of bombs on two underwing pylons.

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  • Just then there was a sudden flurry of arrivals: a common wainscot, several green carpets, a straw underwing, and two or three scorched carpets, which would most likely have been feeding as caterpillars on the spindle trees in the wood.


  • The missiles remained in the underwing carriages, unfired.


  • Modern radar or IRST's would be needed, but perhaps fighters could provide that 'in situ' the aircraft fitted as needed in lieu of weather radars or podded underwing.

    "US Developing Separate JSF for Foreign Partners"


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  • In addition, underwing means the surfaces beneath a bird's wing (underside of a wing).

    March 11, 2012