thoracic adj 1: of or relating to the chest or thorax; "pectoral organ" [syn: {pectoral}, {thoracic}]
Thoracic \Tho*rac"ic\, a. [Cf. F. thoracique.] (Anat.) Of or pertaining to the thorax, or chest. [1913 Webster] {Thoracic duct} (Anat.), the great trunk of the lymphatic vessels, situated on the ventral side of the vertebral column in the thorax and abdomen. See Illust. of {Lacteal}. [1913 Webster]
Thoracic \Tho*rac"ic\, n. [Cf. F. thoracique.] (Zool.) One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectorial fins. [1913 Webster]