pectus pectus /ˈpɛktəs/

noun

1. The part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates  ( pectus , thorax , chest )
   the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates
    He felt a tightness in his chest and knew he needed medical attention
   He felt a tightness in his chest and knew he needed medical attention