Oomancy
divination by eggs

Oomancy (sometimes called ovomancy, ooscopy, oomancia, oomantia, ooscopia, or ovamancy) refers to divination by eggs. There are several methods to how this can be done, but an example would be the oracular reading (i.e., scrying) of the shapes that a separated egg white forms when dropped into hot water. This method greatly resembles molten lead divination, which ascribe meaning to the shapes and forms into which hot lead solidifies.
Origin
The word oomancy is derived from two Greek words, oon (an egg) and Manteia (divination), which literally translates into egg divination. Oomancy was a common form of divination practiced in ancient Greece and Rome, where it was believed that one could tell the future by interpreting the shapes formed when the separated whites from an egg was dropped into hot water.
For example: If the egg white resembled the shape of a bell, it would mean a wedding would be taking place soon. If the egg white resembled a snake, then it was considered a warning of danger.
History
Although oomancy was thought to have originated in Greece, there is belief this practice was also used by ancient druids in Scotland as well.
Egg divination was often used to gain knowledge about children still in the womb, such as the gender, health, and due date of the unborn baby. In practice, they would rub an uncooked chicken egg on the pregnant mother's belly, then crack it into a saucer.
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