- divination with the help of ghosts
C17: via Latin from Greek skia ghost + -mancy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for sciomancy
Or, if you be afraid of the dead, as commonly all cuckolds are, I will make use of the faculty of sciomancy.Gargantua and Pantagruel, Complete.
Word Origin and History for sciomancy
Online Etymology Dictionary, © 2010 Douglas Harper