horse chestnut

UK/ˌhɔːs ˈtʃɛsnʌt/US/ˌhɔɹs ˈtʃɛsnʌt/

noun

Any of several tree species of genus Aesculus, especially Aesculus hippocastanum, common in temperate northern hemisphere.

Similar
buckeyeconker treeconkerAesculus hippocastanum

Meanings

nounhorse chestnut (plural horse chestnuts)

plural horse chestnuts · alternative horse-chestnut

  1. Any of several tree species of genus Aesculus, especially Aesculus hippocastanum, common in temperate northern hemisphere.

    Synonyms: buckeye, conker tree

  2. The large nutlike seed of these trees.

    Synonyms: buckeye, conker

Synonyms & antonyms

nounAny of several tree species of genus Aesculus, especially Aesculus hippocastanum, common in temperate northern hemisphere.

nounThe large nutlike seed of these trees.

More synonyms by meaning

nountree having palmate leaves and large clusters of white to red flowers followed by brown shiny inedible seeds

Similar
buckeyeAesculus hippocastanum
Broader
angiospermous treeflowering tree

nounthe inedible nutlike seed of the horse chestnut

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. translingualCastanea equina
  2. Englishhorse chestnut

Calque of translingual Castanea equina (literally “equine chestnut”).

Full word history & related roots →

Translations

Bulgarian див кестен, конски кестен
  • див кестен (div kesten)tree
  • конски кестен (konski kesten)tree
  • див кестен (div kesten)seed
  • конски кестен (konski kesten)seed
Catalan castanyer d'Índia, castanyer bord
  • castanyer d'Índiatree
  • castanyer bordtree
Dutch paardenkastanje
  • paardenkastanjetree
Esperanto hipokaŝtano
  • hipokaŝtanotree
Finnish hevoskastanja, hevoskastanja
  • hevoskastanjatree
  • hevoskastanjaseed
French marronnier, marronnier d’Inde
  • marronniertree
  • marronnier d’Indetree
  • marronseed
  • marron d’Indeseed
German Rosskastanie, Kastanie
  • Rosskastanietree
  • Kastanietree
  • Rosskastanieseed
  • Kastanieseed
Greek αγριοκαστανιά
  • αγριοκαστανιά (agriokastaniá)tree
Hungarian vadgesztenyefa, gesztenyefa
  • vadgesztenyefatree
  • gesztenyefatree
  • vadgesztenyeseed
  • gesztenyeseed
Irish crann cnó capaill, cnó capaill
  • crann cnó capailltree
  • cnó capaillseed
Italian ippocastano, castagno d'India
  • ippocastanotree
  • castagno d'Indiatree
  • castagna d'Indiaseed
Korean 칠엽수
  • 칠엽수 (chiryeopsu)tree
Latin castanea equina, castanea
  • castanea equinatree
  • castaneatree
Norwegian Bokmål hestekastanje
  • hestekastanjetree
Polish kasztanowiec, kasztan
  • kasztanowiectree
  • kasztanseed
Portuguese castanha-da-índia, castanheira-da-índia
  • castanha-da-índiatree
  • castanheira-da-índiatree
  • castanheiro-da-índiatree
  • castanha-da-índiaseed
Romanian castan, castan sălbatic
  • castantree
  • castan sălbatictree
Russian ко́нский кашта́н, ко́нский кашта́н
  • ко́нский кашта́н (kónskij kaštán)tree
  • ко́нский кашта́н (kónskij kaštán)seed
Scottish Gaelic craobh-geanmchno-fhiadhaich
  • craobh-geanmchno-fhiadhaichtree
Slovak pagaštan konský
  • pagaštan konskýtree
Spanish castaño de Indias, castaña de Indias
  • castaño de Indiastree
  • castaña de Indiasseed
Swedish hästkastanj, hästkastanj
  • hästkastanjtree
  • hästkastanjseed
Turkish at kestanesi, Hint kestanesi
  • at kestanesitree
  • Hint kestanesitree
  • at kestanesiseed
  • Hint kestanesiseed
Welsh castanwydden y meirch, marchgastanwydden
  • castanwydden y meirchtree
  • marchgastanwyddentree
  • castan y meirchseed
  • marchgastanseed
  • cneuen geffylauseed
Cite this entry
APA

horse chestnut. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/horse%20chestnut

MLA

“horse chestnut.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/horse%20chestnut. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “horse chestnut,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/horse%20chestnut.

Source: horse chestnut on Wiktionary, CC BY-SA 4.0.