Definition of pilifer in US English:

pilifer

noun

Entomology
  • Any of various small projections associated with the mouthparts of certain insects; especially a small lateral projection on each side of the labrum of many lepidopterans.

Origin

Late 19th century; earliest use found in John Comstock (1849–1931). From classical Latin pilus hair + -fer.

Pronunciation

pilifer

/ˈpʌɪlɪfə/