Thorax
- 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. nounThe doctor listened to the patient's thorax with a stethoscope.Injuries to the thorax can be life-threatening due to the vital organs it contains.
- In insects, the middle section of the body, to which the legs and wings are attached. nounThe butterfly's thorax is covered in tiny scales.The thorax of the beetle is robust, supporting its strong wings.