- any of a genus (Juglans) of trees of the walnut family, valued as shade trees, for their nuts, and for their wood, used in making furniture, paneling, etc.
- the edible nut of any of these trees, having a two-lobed seed
- their wood
- a shade of brown characteristic of the heartwood of the black walnut
Origin of walnutMiddle English walnot ; from Old English walhhnutu ; from wealh, foreign (see Welsh) + hnutu, nut
- a. Any of several deciduous trees of the genus Juglans, having pinnately compound leaves and fruits with a rounded sticky husk that encloses an edible seed with a hard shell.b. The nut or corrugated seed of any of these trees.
- The hard, dark brown wood of any of these trees, used for gunstocks and in cabinetwork.
Origin of walnutMiddle English walnot, from Old English wealhhnutu : wealh, Celt, foreigner; see Welsh + hnutu, nut.
(usually uncountable, plural walnuts)
Old English walhhnutu, from Proto-Germanic *walhaz (“Celt, Roman, foreigner") (whence Walloon, Welsh) + *hnutuz (whence nut). Cognate with Dutch walnoot, German Walnuss, Swedish valnÃ¶t. Compare more recent term Welsh onion, which also uses Welsh to mean “foreign".