/ Dictionary / Index E Eos: Meaning and Definition of Find definitions for: E•os Pronunciation: (ē'os), [key] — n. the ancient Greek goddess of the dawn, identified by the Romans with Aurora. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: eos (Thesaurus) EOP eosin 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