Source : Webster's Revised Unabridged Dictionary (1913)

Charybdis \Cha*ryb"dis\, n. [L., Gr. ?.]
   A dangerous whirlpool on the coast of Sicily opposite Scylla
   on the Italian coast. It is personified as a female monster.
   See {Scylla}.

Source : WordNet®

Charybdis
     n : (Greek mythology) a ship-devouring whirlpool lying on the
         other side of a narrow strait from Scylla

Source : Free On-Line Dictionary of Computing

CHARYBDIS
     
        A {Lisp} program to display mathematical expressions.  It is
        related to {MATHLAB}.
     
        [Sammet 1969, p. 522].
     
        (1994-11-15)