/ Dictionary / Index M mercy seat: Meaning and Definition of Find definitions for: mer'cy seat" Pronunciation: [key] the gold covering on the ark of the covenant, regarded as the resting place of God. Ex. 25:17–22. the throne of God. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mercy killing mercy stroke Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language