Scylla: Meaning and Definition of

Scyl•la

1. Modern,a rock in the Strait of Messina off the S coast of Italy.
2. a sea nymph who was transformed into a sea monster: later identified with the rock Scylla. Cf.(def. 2).
3. between two equally perilous alternatives, neither of which can be passed without encountering and probably falling victim to the other.