Definitions for "Blind tasting"
If you're ever poured a wine without knowing what it is, this is a blind tasting. The advantage of a blind tasting - usually achieved by simply covering the label - is that it removes all prejudices about the wine, and you have to judge it entirely on its merits.
Blind tasting is an attempt to identify and/or assess wines without knowing the identity of the wine.
Tasting wines without knowing the variety, region, country etc.