The Collaborative International Dictionary of English v.0.48:

Crithomancy \Crith"o*man`cy\ (kr[i^]th"[-o]*m[a^]n`s[y^]), n.
   [Gr. kriqai`, pl., barley + -mancy: cf. F. crithomancie.]
   A kind of divination by means of the dough of the cakes
   offered in the ancient sacrifices, and the meal strewed over
   the victims.
   [1913 Webster]