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WordReference Random House Learner's Dictionary of American English © 2024tho•rax /ˈθɔræks/USA pronunciation n. [countable], pl. tho•rax•es, tho•ra•ces /ˈθɔrəˌsiz/USA pronunciation . - Anatomythe part of the trunk of the body between the neck and the abdomen, containing the heart and lungs:In mammals the thorax is separated from the lower trunk by the diaphragm.
- Insectsthe portion of the body of an insect between the head and the abdomen.
tho•rac•ic /θəˈræsɪk/USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024tho•rax (thôr′aks, thōr′-),USA pronunciation n., pl. tho•rax•es, tho•ra•ces (thôr′ə sēz′, thōr′-).USA pronunciation - Anatomythe part of the trunk in humans and higher vertebrates between the neck and the abdomen, containing the cavity, enclosed by the ribs, sternum, and certain vertebrae, in which the heart, lungs, etc., are situated;
chest. - Zoologya corresponding part in other animals.
- Insects(in insects) the portion of the body between the head and the abdomen. See diag. under insect.
- Greek thó̄rāx breastplate, part of body which this covers
- Latin thōrāx
- Middle English 1350–1400
Collins Concise English Dictionary © HarperCollins Publishers:: thorax /ˈθɔːræks/ n ( pl thoraxes, thoraces /ˈθɔːrəˌsiːz; θɔːˈreɪsiːz/)- the part of the human body enclosed by the ribs
- the corresponding part in other vertebrates
- the part of an insect's body between the head and abdomen, which bears the wings and legs
Etymology: 16th Century: via Latin from Greek thōrax breastplate, chest |