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Definition of thorax

thorax

/ˈθɔːr.æks/
tho · rax
Plural:thoraxes
•
Adjective:thoracic
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thorax Lexical Profile

thorax Game Scores & Validity

• noun

1

The part of the mammalian body located between the neck and the abdomen, containing the main organs of circulation and respiration, such as the heart and lungs.

Example

"The doctor examined the patient's thorax to evaluate the structural integrity of the rib cage and the function of the lungs."

2

The middle section of the body of an insect or other arthropod, situated between the head and the abdomen, which typically bears the legs and wings.

Example

"In most flying insects, the thorax is heavily muscularized to support the rapid movement of the wings during flight."

Synonyms
View all synonyms for thorax

• Rhymes for thorax

• Nearby Words

thompson
thomson's gazelle
thong
thorax
thorn
thornback ray
thorny devil

Word Origin & Etymology

From Latin 'thorax', borrowed from Ancient Greek 'thōrax', meaning 'breastplate' or 'chest'.

Cite this Entry

Wordmom. (2026). Definition of Thorax. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/thorax
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