Greek Strong's Lexicon

G2435

Lemma: ἱλαστήριον

Transliteration: hil-as-tay'-ree-on

Definition: neuter of a derivative of ἱλάσκομαι; an expiatory (place or thing), i.e. (concretely) an atoning victim, or (specially) the lid of the Ark (in the Temple)

KJV Definition: mercyseat, propitiation

Verse usage

Romanonan 3:25 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;
Hebreonan 9:5 NASB
and above it [were] the cherubim of glory overshadowing the mercy seat; but of these things we cannot now speak in detail.