The Collaborative International Dictionary of English v.0.48:
Winy \Win"y\, a. Having the taste or qualities of wine; vinous; as, grapes of a winy taste. --Dampier. [1913 Webster]WordNet (r) 3.0 (2006):
winy adj 1: having the taste of wine; "a rich winy taste" [syn: winy, winey]