Definition of macrotrichium in English:

macrotrichium

noun

Entomology
  • Any of the larger hairs on the body of certain insects, especially those on the surface of the wings. Usually in plural.

Origin

1930s. From macro- + ancient Greek τριχιον (from τριχ-, θρίξ hair + -ιον, diminutive suffix).

Pronunciation

macrotrichium

/ˈmakrə(ʊ)trɪkɪəm/