Definition of pterotheca in English:

pterotheca

noun

rareEntomology
  • The part of the pupal skin of an insect that covers the wings.

Origin

Early 19th century; earliest use found in William Kirby (1759–1850), entomologist and naturalist.

Pronunciation

pterotheca

/ˌtɛrə(ʊ)ˈθiːkə/