/ Dictionary / Index E eponymous: Meaning and Definition of Find definitions for: ep•on•y•mous Pronunciation: (u-pon'u-mus), [key] — adj. giving one's name to a tribe, place, etc.: Romulus, the eponymous founder of Rome. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: eponymous (Thesaurus) eponym eponymy Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language