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The horse chestnut (often so used in England).

The large nutlike seed of a species of Æsculus (Æ. Hippocastanum), formerly ground, and fed to horses, whence the name.

The fruit of Trapa natans and Trapa bicornis, Old World water plants bearing edible nutlike fruits armed with several hard and sharp points; also, the plant itself; -- called also water caltrop.

Resembling, or consisting of, an ament or aments; as, the chestnut has an amentaceous inflorescence.

h side by trees; any broad passageway thus bordered. An avenue of tall elms and branching chestnuts. W. Black.

Reddish brown; of the color of a chestnut; -- applied to the color of horses. Bay cat (Zoöl.), a wild cat of Africa and the East Indies (Felis aurata). -- Bay lynx (Zoöl.), the common American lynx (Felis, or Lynx, rufa).

lopes (Boöcercus eurycercus of West Africa, and B. isaaci of East Africa) of a reddish or chestnut-brown color with narrow white stripes on the body. Their flesh is especially esteemed as food.

name given to several American trees and shrubs of the same genus (Æsculus) as the horse chestnut. The Ohio buckeye, or Fetid buckeye, is Æsculus glabra. -- Red buckeye is Æ. Pavia. -- Small buckeye is Æ. paviflora. -- Sweet buckeye, or Yellow buckeye, is Æ. flava.

ometricus) having the power of distending its body with water or air, so as to resemble a chestnut bur; -- called also ball fish, balloon fish, and swellfish.

f the seeds of plants, whether a pericarp, a persistent calyx, or an involucre, as of the chestnut and burdock. Also, any weed which bears burs. Amongst rude burs and thistles. Milton. Bur and brake and brier. Tennyson.

A genus of nut-bearing trees or shrubs including the chestnut and chinquapin.

rs along its sides, as in the willow and poplar, and (as to the staminate flowers) in the chestnut, oak, hickory, etc. -- so called from its resemblance to a cat's tail. See Illust. of Ament.

The chestnut tree. [Obs.] Wilwe, elm, plane, assch, box, chesteyn. Chaucer.

or shrub (Castanea pumila) of North America, from six to twenty feet high, allied to the chestnut. Also, its small, sweet, edible nat. [Written also chincapin and chinkapin.] Chinquapin oak, a small shrubby oak (Quercus prinoides) of the Atlantic States, with edible acorns. -- Western Chinquapin, an evergreen shrub o…

The bitter fruit of Cola acuminata, which is nearly as large as a chestnut, and furnishes a stimulant, which is used in medicine.

A cuplet or little cup, as the acorn; the husk or bur of the filbert, chestnut, etc.

Of, pertaining to, or resembling, the family of plants ot which the oak and the chestnut are examples, -- trees bearing a smooth, solid nut inclosed in some kind of cup or bur; bearing, or furnished with, a cupule.

f a most delicious flavor and a very offensive odor. The seeds are roasted and eaten like chestnuts.

A stub, like soft horn, about the size of a chestnut, situated behind and below the pastern joint.

Pertaining to, or obtained from, the horse-chestnut; as, esculic acid.