DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   thorax
       n 1: the middle region of the body of an arthropod between the
            head and the abdomen
       2: the part of the human torso between the neck and the
          diaphragm or the corresponding part in other vertebrates
          [syn: thorax, chest, pectus]
       3: part of an insect's body that bears the wings and legs