כַּפֹּרֶת‎ (kappôreth|kap-po'-reth|noun|feminine|propitiatory)
[Heb] כַּפֹּרֶת‎ ETCBC: כַּפֹּרֶת‎ (subs|cover) OSHL: k.ct.ae TWOT: 1023c GK: H4114 Greek: ἱλαστήριον
Derivation: from כָּפַר‎;
Strong's: a lid (used only of the cover of the sacred Ark)
KJV: mercy seat.