What does Aorta, thoracic mean?

Aorta, thoracic meaning in Medical Dictionary

The thoracic aorta is a section for the aorta, the largest artery within the body, in the chest. Specifically, the thoracic aorta is that area of the aorta that begins after the arch of this aorta and runs right down to the diaphragm, the fantastic muscle mass that distinguishes the chest from abdomen.