thorax

T1H4O1R1A1X8
/ˈθɔɹæks/

noun

The region of the mammalian body between the neck and abdomen as well as the cavity containing the heart and lungs.

“Holonym: body”

Similar
chestpectus
OriginLatin thōrax ← Ancient Greek θώρᾱξ (thṓrāx) →
Less commonScrabble 16
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Meanings

nounthorax (plural thoraces or thoraxes)

plural thoraces · plural thoraxes

  1. anatomyThe region of the mammalian body between the neck and abdomen as well as the cavity containing the heart and lungs.

    Meronym: chest

    1 more example

    Holonyms: torso, trunk < body

  2. arachnologyThe middle of three distinct divisions in an insect, crustacean or arachnid body to which the legs are attached.

    Holonym: body

    1 more example

    Meronyms: prothorax, mesothorax, metathorax

Synonyms & antonyms

nounthe part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates

Similar
chestpectus
Broader
body part
Also see
chestpectus

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekθώρᾱξ (thṓrāx)
  2. Latinthōrax
  3. Englishthorax

From Latin thorax, from Ancient Greek θώραξ (thṓrax, “a breastplate, cuirass, corslet”).

More words from Latin, Ancient Greek

Full word history & related roots →

Translations

Bulgarian гръден кош
  • гръден кош (grăden koš)region of the mammalian body
Catalan tòrax
  • tòraxregion of the mammalian body
Chinese Mandarin 胸部, 胸廓
  • 胸部 (xiōngbù)region of the mammalian body
  • 胸廓 (xiōngkuò)region of the mammalian body
Czech hruď, hrudník
  • hruďregion of the mammalian body
  • hrudníkregion of the mammalian body
Dutch borst, borstkas
  • borstregion of the mammalian body
  • borstkasregion of the mammalian body
  • borststukmiddle of three distinct divisions in an insect, crustacean or arachnid body
Esperanto torako
  • torakoregion of the mammalian body
Finnish rintakehä, keskiruumis
  • rintakehäregion of the mammalian body
  • keskiruumismiddle of three distinct divisions in an insect, crustacean or arachnid body
French thorax, thorax
  • thoraxregion of the mammalian body
  • thoraxmiddle of three distinct divisions in an insect, crustacean or arachnid body
German Thorax, Thorax
  • Thoraxregion of the mammalian body
  • Thoraxmiddle of three distinct divisions in an insect, crustacean or arachnid body
Greek θώρακας, θώρακας
  • θώρακας (thórakas)region of the mammalian body
  • θώρακας (thórakas)middle of three distinct divisions in an insect, crustacean or arachnid body
Hungarian mellkas, tor
  • mellkasregion of the mammalian body
  • tormiddle of three distinct divisions in an insect, crustacean or arachnid body
Icelandic brjóst, brjóstkassi
  • brjóstregion of the mammalian body
  • brjóstkassiregion of the mammalian body
  • brjóstholregion of the mammalian body
  • frambolurmiddle of three distinct divisions in an insect, crustacean or arachnid body
Irish tóracs, cliabhrach
  • tóracsregion of the mammalian body
  • cliabhrachregion of the mammalian body
  • tóracsmiddle of three distinct divisions in an insect, crustacean or arachnid body
Italian torace, petto
  • toraceregion of the mammalian body
  • pettoregion of the mammalian body
Japanese 胸郭
  • 胸郭 (kyōkaku)region of the mammalian body
Korean 흉곽, 흉부
  • 흉곽 (hyunggwak)region of the mammalian body
  • 흉부 (hyungbu)region of the mammalian body
Malay toraks, toraks
  • toraksregion of the mammalian body
  • toraksmiddle of three distinct divisions in an insect, crustacean or arachnid body
Māori tārāuma, hōpara
  • tārāumaregion of the mammalian body
  • hōpararegion of the mammalian body
  • tārāumamiddle of three distinct divisions in an insect, crustacean or arachnid body
Polish klatka piersiowa, tułów
  • klatka piersiowaregion of the mammalian body
  • tułówmiddle of three distinct divisions in an insect, crustacean or arachnid body
Portuguese tórax, tórax
  • tóraxregion of the mammalian body
  • tóraxmiddle of three distinct divisions in an insect, crustacean or arachnid body
Russian грудна́я кле́тка, то́ракс
  • грудна́я кле́тка (grudnája klétka)region of the mammalian body
  • то́ракс (tóraks)region of the mammalian body
  • то́ракс (tóraks)middle of three distinct divisions in an insect, crustacean or arachnid body
Scottish Gaelic broilleach, cliabh
  • broilleachregion of the mammalian body
  • cliabhregion of the mammalian body
Spanish tórax, tórax
  • tóraxregion of the mammalian body
  • tóraxmiddle of three distinct divisions in an insect, crustacean or arachnid body
Swedish thorax, bröstkorg
  • thoraxregion of the mammalian body
  • bröstkorgregion of the mammalian body
Tagalog dibdib
  • dibdibregion of the mammalian body
Thai อก
  • อก (òk)region of the mammalian body
Ukrainian то́ракс, грудна́ клі́тка
  • то́ракс (tóraks)region of the mammalian body
  • грудна́ клі́тка (hrudná klítka)region of the mammalian body
  • то́ракс (tóraks)middle of three distinct divisions in an insect, crustacean or arachnid body
Vietnamese ngực, vòng một
  • ngựcregion of the mammalian body
  • vòng mộtregion of the mammalian body
Yiddish ברוסטקאַסטן
  • ברוסטקאַסטן (brustkastn)region of the mammalian body
Cite this entry
APA

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

MLA

“thorax.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thorax. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “thorax,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/thorax.

Source: thorax on Wiktionary, CC BY-SA 4.0.