divination using human entrails
• (n.) Divination by the entrails of human being.
An'thro·po·man`cy noun [ Greek ... man + -mancy .] Divination by the entrails of human being. 
anthropomancy, anthropomantic Divination by examining the entrails of a person during a sacrifice or slaughter, usually those of virgins or young children. The viscera (organs of the digestive, respiratory, urogenital, as well as the spleen, the heart, and great vessels) were used to read symbols of the future. This form of mancy was practiced in a...