Source : Webster's Revised Unabridged Dictionary (1913)

Whisker \Whisk"er\, n.
   1. One who, or that which, whisks, or moves with a quick,
      sweeping motion.

   2. Formerly, the hair of the upper lip; a mustache; --
      usually in the plural.

            Hoary whiskers and a forky beard.     --Pope.

   3. pl. That part of the beard which grows upon the sides of
      the face, or upon the chin, or upon both; as, side
      whiskers; chin whiskers.

   4. A hair of the beard.

   5. One of the long, projecting hairs growing at the sides of
      the mouth of a cat, or other animal.

   6. pl. (Naut.) Iron rods extending on either side of the
      bowsprit, to spread, or guy out, the stays, etc.

Source : WordNet®

whisker
     v : furnish with whiskers; "a whiskered jersey" [syn: {bewhisker}]

whisker
     n 1: a very small distance or space; "they escaped by a
          hair's-breadth"; "they lost the election by a whisker"
          [syn: {hair's-breadth}, {hairsbreadth}, {hair}]
     2: a long stiff hair growing from the snout or brow of most
        mammals as e.g. a cat [syn: {vibrissa}, {sensory hair}]