/ Dictionary / Index E Erin: Meaning and Definition of Find definitions for: Er•in Pronunciation: (er'in), [key] — n. Ireland. a female given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: erin (Thesaurus) Erimanthus erinaceous Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language