n. The fruit of the vine, from which wine is made; a pulpy edible fruit or berry growing in clusters on vines of the genus Vitis.n. The vine which produces this fruit; the grape-vine.n. The knob at the butt of a cannon.n. plural In farriery, a mangy tumor on the leg of a horse.n. Milit., grape-shot.n. The Sargassum bacciferum, a seaweed with large bladders in grape-like clusters.; pret. and pp. graped, ppr. graping. A dialectal (Scotch) form of grope.n. plural A specific affection of the heel of horses, accompanied by an offensive discharge and the formation of red, raw excrescences (grapes) on the surface. Also called varrucose dermatitisn. Tuberculosis of the serous membranes (pleura and peritoneum) in which conglomerate clusters of tubercles are found. Also called pearly disease.n. See sea-grape, 2, 3.