Tho-rā'cic, a.

adjective

[Fr. thorachique. See THORAX.] (Anat.) Of, or pertaining to, the thorax or breast; as, the thoracic arteries.

Thoracic duct (Anat.), the trunk of the absorbent vessels. It runs up along the spine from the receptacle of the chyle to the left subclavian vein, in which it terminates.