כַּפֹּרֶת (kappôrethkap-po'-rethnoun|femininepropitiatory)
[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.