a dangerous rock on the Italian side of the Straits of Messina, opposite the whirlpool Charybdis: in classical mythology both Scylla and Charybdis were personified as female monsters
Origin of ScyllaClassical Latin from Classical Greek Skylla
between Scylla and Charybdis
between two perils or evils, neither of which can be evaded without risking the other
A female sea monster who lived in a cave opposite Charybdis and devoured sailors.