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chestnut

Syllabification: (chest·nut)
Pronunciation: /ˈCHes(t)ˌnət/

Translate chestnut | into French | into German | into Italian | into Spanish
Definition of chestnut

noun

  • 1 (also sweet chestnut) a glossy brown nut that may be roasted and eaten.
  • 2 (also chestnut tree, sweet chestnut, or Spanish chestnut) the large European tree that produces the edible chestnut, which develops within a bristly case, with serrated leaves and heavy timber.
    • Castanea sativa, family Fagaceae
  • (also American chestnut) a related tree (C. dentata), which succumbed to a fungus bark disease in the early 1900s. Once prolific in the eastern US, very few large specimens survived.
  • (also Chinese chestnut) a related tree (C. mollissima) native to China and Korea, cultivated elsewhere for its edible nut. The flowers have a putrid odor.
  • short for horse chestnut.
  • used in names of trees and plants that are related to the sweet chestnut or that produce similar nuts, e.g., water chestnut.
  • 3a deep reddish-brown color: [as modifier]:chestnut hair
  • a horse of a reddish-brown color, with a brown mane and tail.
  • 4a small horny patch on the inside of each of a horse’s legs.

Phrases

an old chestnut

a joke or story that has become tedious because of its age and constant repetition.

pull someone's chestnuts out of the fire

succeed in a hazardous undertaking for someone else’s benefit.
[with reference to the fable of a monkey using a cat's paw to extract roasting chestnuts from a fire]

Origin:

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

Remember that chestnut is spelled with a t in the middle as well as at the end.

chestnut in other Oxford dictionaries

Definition of chestnut in the British & World English dictionary