extispicy

noun2

1. •
   A specific instance of such divination.

   • This image has been interpreted as the performance of “an extispicy on an animal whose flesh the king will later eat." — 2010
2. •
   Synonym of haruspicy: the study and divination by use of animal entrails, usually the victims of sacrifice.

   • They became experts in what is called extispicy, or the readings of organs of sacrificed animals. — 2007