Source : Webster's Revised Unabridged Dictionary (1913)

Taster \Tast"er\, n.
   1. One who tastes; especially, one who first tastes food or
      drink to ascertain its quality.

            Thy tutor be thy taster, ere thou eat. --Dryden.

   2. That in which, or by which, anything is tasted, as, a dram
      cup, a cheese taster, or the like.

   3. (Zo["o]l.) One of a peculiar kind of zooids situated on
      the polyp-stem of certain Siphonophora. They somewhat
      resemble the feeding zooids, but are destitute of mouths.
      See {Siphonophora}.

Source : WordNet®

taster
     n : someone who samples food or drink for its quality [syn: {taste
         tester}, {taste-tester}, {sampler}]