chestnut
Cross references: 1. bay 2. sorrel 1. chest.nut \'ches-(.)n*t\ n [ME chasteine, chesten chestnut tree fr. MF chastaigne, fr. L] castanea, fr. Gk kastanea 1: the edible nut of a tree or shrub (genus Castanea) of the beech fa mily; also : a plant bearing chestnuts or its wood 2: a grayish brown 3: HORSE CHESTNUT 4: a horse having a body color of any shade of pure or reddish brown with m ane, tail and points of the same or a lighter shade 5: a callosity on the inner side of the leg of the horse 6a: an old joke or story 6b: something repeated to the point of staleness 2. chestnut aj 1: of, relating to, or resembling a chestnut 2: of the color chestnut
Webster's English Dictionary