thorax

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun the middle region of the body of an arthropod between the head and the abdomen
noun the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates
noun part of an insect's body that bears the wings and legs

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

Yes, Nellie, thorax is right. — The Insect Folk, Morley, Margaret Warner
Thorax not projecting over the head. — Our Common Insects: A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses, A. S. (Alpheus Spring) Packard
There was no odour of chloroform on opening the thorax. — Unnatural death, Dorothy L. (Dorothy Leigh) Sayers

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