vibrissa

/vaɪˈbrɪsə/
noun
  1. A stiff, sensitive whisker on the face of an animal, such as a cat or dog, used for sensing touch and air movements.
    • Scientists study vibrissae to understand how animals navigate in the dark.
    • The cat's vibrissae twitched as it explored the narrow gap.
    • A dog uses its vibrissae to detect nearby objects without seeing them.
  2. One of the stiff hairs inside the human nostril that help filter dust and particles from the air.
    • Some people trim their nasal vibrissae for a neater appearance.
    • The tiny vibrissae in your nose trap pollen before it reaches your lungs.
    • The doctor explained that nasal vibrissae are part of the body's natural defense system.
Synonyms