Definition of grey wine in English:

grey wine

(US gray wine)

noun

  • A lightly-tinted pale wine (now typically a rosé) made from black grapes, originally produced in the Champagne region of north-eastern France.

Origin

Late 17th century; earliest use found in Martin Lister (bap. 1639, d. 1712), physician and naturalist. After French vin gris.