The Collaborative International Dictionary
Ceromancy
Ceromancy \Cer"o*man`cy\, n. [Gr. khro`s wax + -mancy.] Divination by dropping melted wax in water.
Douglas Harper's Etymology Dictionary
ceromancy
"divination by means of melted wax dripped in water" (the shapes supposedly previsioning a future spouse, etc.), 1650s, from French ceromancie, Medieval Latin ceromantia; see cere (n.) + -mancy.
Wiktionary
ceromancy
n. divination by pouring melted wax into water and interpreting the bubbles formed.
Wikipedia
Ceromancy
Ceromancy is a form of divination where heated wax is used to tell fortunes.