Definition of tasters:
(n) :
Someone who tastes something; especially, either (1) to check its quality (in food science, winemaking, etc.) or (2) as a security measure to prevent assassination of a protectee.
(n) :
An object in which, or by which, food or drink is tasted, such as a small cup.
(n) :
A sample of something bigger or grander intended for future use.
(n) :
A person who is, by genetic makeup, able to taste phenylthiocarbamide.
(n) :
(zoology) A kind of zooid situated on the polyp-stem of certain Siphonophorae, resembling the feeding zooids, but destitute of mouths.