Any of several related white or red grapes chiefly grown on the West Coast and in France.
A white or red wine made from these grapes.
[French, variant of pineau, diminutive of pin, pine tree (from the shape of the clusters of grapes), from Latin pīnus; see peiə- in Indo-European roots.]
type of grape vine used in wine-making, 1912, Amer.Eng. variant spelling of Fr. pineau (attested in Eng. from 1763), from pin "pine (tree)" + dim. suffix -eau. So called from the shape of the grape clusters.