/ Dictionary / Index H Heracles: Meaning and Definition of Find definitions for: Her•a•cles Pronunciation: (her'u-klēz"), [key] — n. Hercules (def. 1). Also called(italics) a tragedy (420? b.c.) by Euripides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heracles (Thesaurus) Heraclea Heraclid Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language