sepulchre(n = noun.artifact) burial chamber, sepulcher, sepulture - a chamber that is used as a grave;
Derived form adjective sepulchral₁, adjective sepulchral₃

   The place in which the dead body of a human being is interred, or a place set apart for that purpose; a grave; a tomb. [1913 Webster]

   To bury; to inter; to entomb; as, obscurely sepulchered. [1913 Webster]

sepulchre, n. & v. (US sepulcher)
--n. a tomb esp. cut in rock or built of stone or brick, a burial vault or cave.
--v.tr.
1 lay in a sepulchre.
2 serve as a sepulchre for.

Idiom:
the Holy Sepulchre the tomb in which Christ was laid. whited sepulchre a hypocrite (with ref. to Matt. 23:27).

Etymology:
ME f. OF f. L sepulc(h)rum f. sepelire sepult- bury