Definition of macrochaeta in English:

macrochaeta

(also macrochaete, macrochaetae, macrochaetes)

Pronunciation /ˌmakrə(ʊ)ˈkiːtə/

noun

Entomology
  • A large or differentiated bristle as found on the bodies of certain insects, especially dipteran flies.

Origin

Late 19th century.