[ˈtʃɛs(t)nʌt], (Noun)

Definitions:
- 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


Phrases:
- an old chestnut
- pull someone's chestnuts out of the fire

Origin:
early 16th century: from Old English chesten (from Old French chastaine, via Latin from Greek kastanea) + nut