thorax
Definitions
The part of the body of a mammal between the neck and the abdomen, enclosed by the ribs and containing the heart and lungs.
The middle section of the body of an insect, between the head and the abdomen, which bears the legs and wings.
Examples
The doctor examined the patient's thorax to ensure there were no injuries to the ribs or lungs.
In insects, the thorax is the middle section of the body where the wings and legs are attached.