Definition of "Abdomen" :
noun: the region of the body of a vertebrate between the thorax and the pelvis
noun: the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm
noun: the region of the body of a vertebrate between the thorax and the pelvis
noun: the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm