scapulimancy

or scap·u·lo·man·cy

[ skap-yuh-luh-man-see ]
/ ˈskæp yə ləˌmæn si /

noun

divination of the future by observation of the cracking of a mammal's scapula that has been heated by a fire or hot instrument.
See also oracle bones.

Origin of scapulimancy

First recorded in 1870–75; scapul(a) + -i- + -mancy