chestnut

(redirected from chestnut trees)
Also found in: Dictionary, Thesaurus, Encyclopedia.

chestnut

/chest·nut/ (chest´nut) a tree of the genus Castanea or a nut of various species; the wood and leaves of C. dentata (American chestnut) contain tannin and it has been used as an astringent and in pertussis.
horse chestnut  the tree Aesculus hippocastanum or a preparation of the medicinal parts of its seeds, having antiexudative, antiinflammatory, and immunomodulatory activity and used in the treatment of chronic venous insufficiency, in homeopathy and in folk medicine.

chestnut

1. flattened, oval masses of horn on the medial surface of the forearm and the hock of the horse. Those on the forelimb are just proximal to the carpus, those on the hindlimb are at the distal end of the tarsus. In donkeys the hindlimb chestnut is very small, in mules it is absent. They are regarded as being vestiges of the carpal and tarsal pads.
2. fruit of the chestnut tree Castanea sativa.
3. a popular coat color in horses. A deep reddish brown varying from a red dominance or light chestnut, to a heavier brown tone, liver or deep chestnut. Mixed with white hairs is a chestnut roan.

chestnut oak
quercusprinus.
chestnut rule
mating two chestnut horses will not produce offspring with black, gray, brown or bay coat colors.
chestnut slough
occurs in cattle when limb badly swollen or injured in grass fire.
References in periodicals archive ?
If we find evidence that birds can be effective natural pest controllers, we might be able to limit horse chestnut leaf miner damage by installing nest boxes on or close to horse chestnut trees.
There are a decent number of mature horse chestnut trees in this popular park.
Experts won't know for certain if the trees are a success, or close to the original American chestnuts, for roughly 50 years, the time it takes for a chestnut tree to grow to 100 feet.
Scientists have launched a mobile app LeafWatch, and are asking the public to contribute sightings of leaf-mining moth infestations in horse chestnut trees.
It's estimated more than 4 billion American chestnut trees died because of the blight between 1904 and 1955 (Cipollini and Saielli 2015).
After three crossings of American chestnut tree genetic material with genes from a blight-resistant Asian species, scientists have succeeded in producing a hybrid chestnut that is more than 90 percent the original thing.
marketed a line of chestnut food products in seven Whole Foods divisions as part of his commitment to re-establish the chestnut tree in America.
Horse chestnut trees are not native to Britain - they were first introduced in the late 16th century from the Balkans and before that, conkers was played with hazel or cobnuts or even snail shells.
Now Professor Hugh Evans, who leads a project for Forest Research in Wales, says the horse chestnut tree itself is in jeopardy because the leaf miner bug disfigures its leaves as it feeds by "mining" inside them, causing the leaves to go brown in mid or late summer.
A company that runs parking lots in the English cities of Leeds and Manchester is temporarily letting drivers pay with the dark brown seeds that fall from horse chestnut trees each autumn.
In 1904, the New York Zoological Park's (now the Bronx Zoo) chief forester, Hermann Mekel, noticed a fungus on some of his American chestnut trees.