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.
, n. Array
One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectorial fins. [1913 Webster]