As applied to wine, a varietal is a type of wine that is made from a certain kind of grape. Chardonnay is from the chardonnay grape; cab and sav blanc wines are both of the cabernet sauvignon varietal.

Va*ri"e*tal (?), a.

Of or pertaining to a variety; characterizing a variety; constituting a variety, in distinction from an individual or species.

Perplexed in determining what differences to consider as specific, and what as varietal. Darwin.

© Webster 1913.