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thorax

/ˈθɔɹæks/noun

thorax is spelled T-H-O-R-A-X: 6 letters and 2 syllables. It appears about once in every 1 million words in written English, the 33,636th most frequent word form (wordfreq, 2021 data). As a noun, thorax means “The region of the mammalian body between the neck and abdomen as well as the cavity containing the heart and lungs” (English Wiktionary, September 2026). The plural of thorax is thoraces or thoraxes.

How many letters and syllables are in thorax?

Letters6: T-H-O-R-A-X
Syllables2 (from its American pronunciation)
In writingabout once in every 1 million words; the 33,636th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is thorax?

Thorax appears about once in every 1 million words in written English, the 33,636th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce thorax?

  • /ˈθɔɹæks/

Thorax has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-thorax.wav, Wikimedia Commons (author and licence on each file's page).

Forms of thorax

  • thoraces plural
  • thoraxes plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does thorax mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

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

    Holonyms: torso, trunk < body

  2. 2

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

    Holonym: body

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Thorax in Spanish, French, German and Portuguese

In the sense region of the mammalian body:

LanguageWords
Frenchthorax
GermanThorax
Portuguesetórax
Spanishtórax

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does thorax come from?

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

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after thorax