A female fortune teller; a pythoness; a prophetess.

any of a number of women believed to be oracles or prophetesses, one of the most famous being the sibyl of Cumae, who guided Aeneas through the underwold

a woman who tells fortunes

(ancient Rome) a woman who was regarded as an oracle or prophet

a female oracle or fortuneteller

The word sibyl comes (via Latin) from the Greek word sibylla, meaning prophetess. The earlier oracular seeresses known as the sibyls of antiquity, "who admittedly are known only through legend" (Burkert 1985 p 117) prophesied at certain holy sites, probably all of pre-Indo-European origin, under the divine influence of a , originally one of the chthonic earth-goddesses. Later in antiquity, sibyls wandered from place to place.