VIBRISSA
whisker, vibrissa, sensory hair
(noun) a long stiff hair growing from the snout or brow of most mammals as e.g. a cat
Source: WordNet® 3.1
Noun
vibrissa (plural vibrissae)
Any of the tactile whiskers on the nose of an animal such as a cat
Any similar feather near the mouth of some birds
Source: Wiktionary
Vi*bris"sa, n.; pl. Vibrissæ. Etym: [L. vibrissae, pl., the hairs in
the nostrils of man, fr. vibrare to vibrate; -- so called because
touching them tickles a person, and causes him to shake his head.]
1. (Anat.)
Definition: One of the specialized or tactile hairs which grow about the
nostrils, or on other parts of the face, in many animals, as the so-
called whiskers of the cat, and the hairs of the nostrils of man.
2. (Zoöl.)
Definition: The bristlelike feathers near the mouth of many birds.
Source: Webster’s Unabridged Dictionary 1913 Edition