Thorax Definition

thôrăks
thoraces, thoraxes
noun
thoraxes
The part of the human body between the neck and the diaphragm, partially encased by the ribs and containing the heart and lungs; the chest.
American Heritage Medicine
In tetrapods, including humans,
Webster's New World
In arthropods, the body segment, between the head and abdomen, to which the legs are attached.
Webster's New World
Synonyms:

Other Word Forms of Thorax

Noun

Singular:
thorax
Plural:
thoraces, thoraxes

Origin of Thorax

  • Middle English from Latin thōrāx breastplate, chest from Greek

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek θώραξ (thōraks, “a breastplate, cuirass, corslet”)

    From Wiktionary

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