[wal.nut] n [ME walnot, fr. OE wealhhnutu, lit., foreign nut, fr. Wealh Welshman, foreigner + hnutu nut--more at welsh, nut] (bef. 12c) 1 a: a nut of any of a genus (Juglans of the family Juglandaceae, the walnut family) of trees; esp: the large edible nut of a Eurasian tree (J. regia) with a hard richly figured wood b: a tree that bears walnuts c: the wood of a walnut that is often used for cabinetmaking and veneers
2: a moderate reddish brown