Define-chestnut, chestnut definition is - any of a genus (castanea) of trees or shrubs of the beech family; especially : an american tree (c. dentata) that was formerly a dominant or codominant member of many deciduous forests of the eastern u.s. but has now been largely eliminated by the chestnut blight and seldom grows beyond the shrub or sapling stage. how to use chestnut in a sentence.. Any of the several deciduous trees constituting the genus castanea, of the beech family, having toothed, oblong leaves and bearing edible nuts enclosed in a prickly bur, and including c. dentata (american chestnut), which has been virtually destroyed by the chestnut blight, c. sativa (european chestnut), c. mollissima (chinese chestnut), and c. crenata (japanese chestnut)., chestnut - edible nut of any of various chestnut trees of the genus castanea edible nut - a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell chestnut tree, chestnut - any of several attractive deciduous trees yellow-brown in autumn; yield a hard wood and edible nuts in a prickly bur 4..
A hoary old chestnut common if you describe something that is said or written as an old chestnut or a hoary old chestnut, you mean that it has been repeated so often that it is no longer interesting. see also: chestnut, old pull someone's chestnuts out of the fire, chestnut (countable and uncountable, plural chestnuts) a tree or shrub of the genus castanea. the nut of this tree or shrub. (uncountable) a dark, reddish - brown colour /color..
Chestnut is a colour, a medium reddish shade of brown (displayed right), and is named after the nut of the chestnut tree. an alternate name for the colour is badious. indian red is a similar but separate and distinct colour from chestnut. chestnut is also a very dark tan that almost appears brown.