Definition of pessomancy in English:

pessomancy

noun

rare
  • Divination by means of pebbles.

Origin

Early 18th century; earliest use found in Nathan Bailey (d. 1742), lexicographer and schoolmaster. From ancient Greek πεσσός (Attic πεττός) oval pebble + -mancy.

Pronunciation

pessomancy

/ˈpɛsə(ʊ)mansi/