The Collaborative International Dictionary of English v.0.48:
Grapy \Grap"y\, a. Composed of, or resembling, grapes. [1913 Webster] The grapy clusters. --Addison. [1913 Webster]WordNet (r) 3.0 (2006):
grapy adj 1: having a taste like that of grapes; "a grapey wine" [syn: grapey, grapy]