/ Dictionary / Index S Symplegades: Meaning and Definition of Find definitions for: Sym•pleg•a•des Pronunciation: (sim-pleg'u-dēz"), [key] — n.pl. Class. Myth. a pair of rocky islands, at the entrance to the Black Sea, that often clashed together: Athena helped the Argonauts navigate them, after which they became fixed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. symphysis symploce Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language