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tho·rax

thorax

 
pronunciation:
tho raeks
features:
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part of speech: noun
inflections: thoraces, thoraxes
definition 1: Your thorax is the part of your body that is between your neck and your belly. It contains your ribs, heart, and lungs.
Some surgeons work only on a person's thorax. They often do heart surgery or surgery on the lungs.
definition 2: The thorax is a part of an insect's body. It is the middle part between the head and the abdomen.
An insect's wings attach to its thorax.
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  arthropod, body