Haruspex

In the religion of Ancient Rome, a haruspex (plural haruspices; also called aruspex) was a person trained to practice a form of divination called haruspicy (haruspicina) the inspection of the entrails (exta), hence also extispicy (extispicium) of sacrificed animals, especially the livers of sacrificed sheep and poultry. The reading of omens specifically from the liver is also known by the Greek term hepatoscopy (also hepatomancy).