/wawl"nut', -neuht/ , n.
1. the edible nut of trees of the genus Juglans, of the North Temperate Zone. Cf. walnut family .
2. the tree itself.
3. the wood of such a tree.
4. Northeastern U.S. the hickory nut.
5. any of various fruits or trees resembling the walnut.
6. a somewhat reddish shade of brown, as that of the heartwood of the black walnut tree.
[ bef. 1050; ME; OE wealh-hnutu lit., foreign nut; see WELSH, NUT ]