pilus
1. [ noun ] (zoology) any of the cylindrical filaments characteristically growing from the epidermis of a mammal
Synonyms: hair
Examples:

"there is a hair in my soup"

Related terms: filament body_covering beard mustache eyebrow lock mane mane hairdo hairpiece pubic_hair guard_hair eyelash coat ingrown_hair forelock hairball cowlick beard mammal part hairline keratin
2. [ noun ] (zoology) hairlike structure especially on the surface of a cell or microorganism
Related terms: hair microorganism
Similar spelling:   pilous
  pileus
  piles
  pilose
  plus
  pillock
  pillage