Definition of "thoracic" []

• Of, relating to, or situated in or near the thorax: the thoracic vertebrae; the thoracic cavity. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This is, again, just briefly, what we call the thoracic unit."
• "The space which it incloses, known as the thoracic cavity, is"
• "The length of that portion of the aorta which is called thoracic, is determined by the position of the pillars of the diaphragm F, which span the vessel; and from this point to where the aorta divides into the two common iliac arteries, the main vessel is named abdominal."