pterostigma en · NOUN
Etymology
From ISV, formed from Ancient Greek πτερόν (pterón) + στίγμα (stígma), meaning "wing mark"; by surface analysis, ptero- + stigma.
Meanings
-
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.
The pterostigma is particularly noticeable in dragonflies.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| pterostigmata | Number=Plur | lexicographic |