ἱλαστήριον
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
ἱλαστήριον (ilastērion) − 2 Occurrences