Definitions

from The Century Dictionary.

  • noun The carpus or stigma, a peculiar mark or spot on the wings of some insects.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) A thickened opaque spot on the wings of certain insects.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology A cell in the outer wing of insects which is often thickened or coloured and so stands out from other cells.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek πτερόν (pteron) + στίγμα (stigma), meaning "wing mark".

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