chestnut

Adjective

• (of hair or feathers) of a golden brown to reddish brown color
  • a chestnut horse
    
  • chestnut hair
    

Noun

• a dark golden-brown or reddish-brown horse

• a small horny callus on the inner surface of a horse's leg

• the brown color of chestnuts

• edible nut of any of various chestnut trees of the genus Castanea

• any of several attractive deciduous trees yellow-brown in autumn; yield a hard wood and edible nuts in a prickly bur

• wood of any of various chestnut trees of the genus Castanea