ETYM Old Eng. sepulcre, Old Fren. sepulcre, French sépulcre, from Latin sepulcrum, sepulchrum, from sepelire to bury.
(Alternate spelling: sepulchre).
1. A tomb or burial chamber.
2. A vault used for preserving sacred relics.

Receptacle in an altar for holding religious relics; tomb. whited sepulchre, hypocrite; seemingly holy but really evil person or thing.