Definition of horse chestnut in English:

horse chestnut

Syllabification: horse chest·nut

noun

1A deciduous tree with large leaves of five leaflets, conspicuous sticky winter buds, and upright conical clusters of white, pink, or red flowers. Unrelated to true chestnuts, the horse chestnut bears unpalatable nuts enclosed in fleshy, thorny husks.
  • Genus Aesculus, family Hippocastanaceae: several species, in particular A. hippocastanum, native east of the Balkans and widely planted over much of Europe and North America
More example sentences
  • They are all native species such as oak, horse chestnut and flowering cherry and have replaced those lost over the past few years, including one that was hit by a car and another that was blown down in the January gales.
  • Along the trail, visitors can enjoy specimens such as the Indian horse chestnut, dawn redwood, autumn oaks and oriental hawthorns.
  • Many trees, such as lime, sycamore, horse chestnut and willow provide excellent bee forage.
1.1The fruit or seed of the horse chestnut tree.
More example sentences
  • Depicting a horse chestnut, the sculpture symbolizes the fruits of a rural community and its potential for growth, energy and community.
  • The horse chestnuts are not closely related to true chestnuts or chinquapins, and the resemblance of their fruits is coincidental.

Origin

late 16th century: translating (now obsolete) botanical Latin Castanea equina; its fruit is said to have been an Eastern remedy for chest diseases in horses.

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Pronunciation: ˌɪmpjʊˈdɪsɪti
noun
lack of modesty