mercy seat

noun

Bible the gold covering on the ark of the covenant regarded as the resting place of God: Ex. 25:17

Etymology: transl. (by William Tyndale, 1530) of Ger gnadenstuhl, transl. (by Martin Luther) of Gr(Ec) hilastērion (< Gr hilasia, propitiation: for IE base see silly), transl. (in LXX) of Heb kappōreth