G2435
ἱλαστήριον
hilastḗrion
/hil-as-tay'-ree-on/
Definition
an expiatory (place or thing), i.e. (concretely) an atoning victim, or (specially) the lid of the Ark (in the Temple)
Derivation
neuter of a derivative of G2433;
KJV usage
mercyseat, propitiation.