- any of the several deciduous trees constituting the genus Castanea, of the beech family, having toothed, oblong leaves and bearing edible nuts enclosed in a prickly bur, and including C. dentata(American chestnut ), which has been virtually destroyed by the chestnut blight, C. sativa(European chestnut ),C. mollissima(Chinese chestnut ), and C. crenata(Japanese chestnut ).
- the edible nut of such a tree.
- the wood of any of these trees.
- any fruit or tree resembling the chestnut, as the horse chestnut.
- reddish brown.
- an old or stale joke, anecdote, etc.
- the callosity on the inner side of the leg of a horse.
- a reddish-brown horse having the mane and tail of the same color.
- a horse of a solid, dark-brown color.
- being reddish-brown in color.
- (of food) containing or made with chestnuts: turkey with chestnut stuffing.
- to rescue someone from a difficulty.
- any N temperate fagaceous tree of the genus Castanea, such as C. sativa (sweet or Spanish chestnut), which produce flowers in long catkins and nuts in a prickly bur
- the edible nut of any of these trees
- the hard wood of any of these trees, used in making furniture, etc
- a reddish-brown to brown colour
- (as adjective)
- a horse of a yellow-brown or golden-brown colour
- a small horny callus on the inner surface of a horse's leg
- an old or stale joke
