/ Dictionary / Index S Stymphalian birds: Meaning and Definition of Find definitions for: Stym•pha'li•an birds' Pronunciation: (stim-fā'lē-un, -fāl'yun), [key] — Class. Myth. Class. Myth. a flock of predacious birds of Arcadia that were driven away and killed by Hercules as one of his labors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stymie stymy Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language