thoracic cavity

n.

The space within the walls of the chest, bounded below by the diaphragm and above by the neck, and containing the heart and the lungs.

Words nearby thoracic cavity

thoracentesis, thoracic, thoracic artery, thoracic cage, thoracic cardiac nerve, thoracic cavity, thoracic duct, thoracic ganglion, thoracic iliocostal muscle, thoracic limb, thoracic longissimus muscle