Strong's Concordance

Original word: ἱλαστήριον
Transliteration: hilastérion
Definition (short): mercy-seat
Definition (full): propitiatory

NAS Exhaustive Concordance

Word Origin: from hilastérios; from hilaskomai
Definition: propitiatory
NASB Translation: mercy seat (1), propitiation (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
Copyright © 1981, 1998 by The Lockman Foundation.
All rights reserved Lockman.org

Strong's Exhaustive Concordance

Neuter of a derivative of hilaskomai; an expiatory (place or thing), i.e. (concretely) an atoning victim, or (specially) the lid of the Ark (in the Temple) -- mercyseat, propitiation.

see GREEK hilaskomai

KJV: Whom God hath set forth to be a propitiation through faith in his blood, to declare his righteousness for the remission of sins that are past, through the forbearance of God;
NASB: whom God displayed publicly as a propitiation in His blood through faith. This was to demonstrate His righteousness, because in the forbearance of God He passed over the sins previously committed;
KJV: And over it the cherubims of glory shadowing the mercyseat; of which we cannot now speak particularly.
NASB: and above it were the cherubim of glory overshadowing the mercy seat; but of these things we cannot now speak in detail.