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noun
A spot on the outer wing of insects which is often thickened or coloured and so stands out from the rest; it is a group of specialized cells and has an effect on flight dynamics.
Definition source: English Wiktionary via Wiktextract
Topics: biology, entomology, natural-sciences
Synonyms: none provided
Antonyms: none provided
History
From ISV, formed from Ancient Greek πτερόν (pterón) + στίγμα (stígma), meaning "wing mark"; by surface analysis, ptero- + stigma.
