tomb

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A grave or other place of burial.
2. n. A vault or chamber for burial of the dead.
3. n. A monument commemorating the dead.

Century Dictionary and Cyclopedia

1. n. An excavation in earth or rock, intended to receive the dead body of a human being; a grave; also, a chamber or vault formed wholly or partly in the earth, with walls and a roof, or wholly above ground, for the reception of the dead, whether plain, or decorated by means of architecture, sculpture, etc.; a mausoleum; a sarcophagus. See also cuts under catacomb, Lycian, and altar-tomb.
2. n. A monument erected to preserve the memory of the dead; any sepulchral structure; a cenotaph.
3. n. Same as altar-cavity.
4. n. Figuratively, the end of earthly life; death.
5. To bury; inter; intomb.

Wiktionary

1. n. A small building (or "vault") for the remains of the dead, with walls, a roof, and (if it is to be used for more than one corpse) a door. It may be partly or wholly in the ground (except for its entrance) in a cemetery, or it may be inside a church proper or in its crypt. Single tombs may be permanently sealed; those for families (or other groups) have doors for access whenever needed.
2. v. transitive To bury.

GNU Webster's 1913

1. n. A pit in which the dead body of a human being is deposited; a grave; a sepulcher.
2. n. A house or vault, formed wholly or partly in the earth, with walls and a roof, for the reception of the dead.
3. n. A monument erected to inclose the body and preserve the name and memory of the dead.
4. v. To place in a tomb; to bury; to inter; to entomb.

WordNet 3.0

1. n. a place for the burial of a corpse (especially beneath the ground and marked by a tombstone)