Noun
1. wood of any of various chestnut trees of the genus Castanea
2. any of several attractive deciduous trees yellow-brown in autumn; yield a hard wood and edible nuts in a prickly bur
3. edible nut of any of various chestnut trees of the genus Castanea
4. a small horny callus on the inner surface of a horse's leg
5. a dark golden-brown or reddish-brown horse