Ceromancy
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) Divination by dropping melted wax in water.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
a species of divination practiced among the ancient Greeks by means of wax, which they melted and let drop into water within three definite spaces, and, by observing the figure, distance, situation, and connection of the drops, gave answer to the questions proposed.