/ Dictionary / Index R reredos: Meaning and Definition of Find definitions for: rere•dos Pronunciation: (rēr'dos, rēr'i-, râr'i-), [key] — n. a screen or a decorated part of the wall behind an altar in a church. the back of a fireplace or of a medieval open hearth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reredos (Thesaurus) rerecording rerelease Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language