Any of several deciduous trees of the genus Castanea native to northern temperate regions, having alternate simple toothed leaves, and nuts that are enclosed in a prickly husk.
The often edible nut of any of these trees.
The wood of any of these trees.
Any of several other plants, such as the horse chestnut.
A moderate to deep reddish brown.
A reddish-brown horse.
A small hard callus on the inner surface of a horse's foreleg.