Belomancy

Webster's Dictionary

(n.) A kind of divination anciently practiced by means of marked arrows drawn at random from a bag or quiver, the marks on the arrows drawn being supposed to foreshow the future.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

(See Divination).

in Greek religion, was a certain way of fortune-telling, by means of sacred inscribed arrows. They were either mixed together and then one drawn as a lot, or one was thrown into the air and the fortune told by the direction it took. (See Divination).