/ Dictionary / Index E Erebus: Meaning and Definition of Find definitions for: Er•e•bus Pronunciation: (er'u-bus), [key] — n. the darkness under the earth, imagined either as the abode of sinners after death or of all the dead. a volcano in Antarctica, on Ross Island. 13,202 ft. (4024 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: erebus (Thesaurus) ere Erech Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language