D defs.my
Entry 1 sense Webster, 1913

Scylla

/sĭl'-ə/ · Scyl·la · IPA /ˈsɪlə/
01 n. A dangerous rock on the Italian coast opposite the whirpool Charybdis on the coast of Sicily, -- both personified in classical literature a…
  1. 1.
    A dangerous rock on the Italian coast opposite the whirpool Charybdis on the coast of Sicily, -- both personified in classical literature as ravenous monsters. The passage between them was formerly considered perilous; hence, the saying “Between Scylla and Charybdis,” signifying a great peril on either hand.