\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}.