chestnut
noun
[ ˈtʃɛsnʌt ]
• a glossy hard brown edible nut which develops within a bristly case and which may be roasted and eaten.
• the large European tree that produces the edible chestnut, with serrated leaves and heavy timber.
• a small horny patch on the inside of each of a horse's legs.
Origin:
early 16th century: from Old English chesten (from Old French chastaine, via Latin from Greek kastanea ) + nut.
