/ Dictionary / Index S Seanad Éireann: Meaning and Definition of Find definitions for: Sean•ad Éir•eann Pronunciation: (shôn'ud ā'run), [key] the upper house of the parliament of the Republic of Ireland. Cf.(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sean séance Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language