entomb

v. intomb, bury, inter, place in a tomb or grave

For the New York prison see The Tombs. A Tomb is a repository for the remains of the dead. The term generally refers to any structurally enclosed interment space or burial chamber, of varying sizes. The word is used in a broad sense to encompass a number of such types of places of interment or, occasionally, burial, including:Burial vaults – stone or brick-lined underground spaces for interment (rather than burial), originally vaulted, often privately owned for specific family groups; usually beneath a religious building such as a church or in a churchyard or cemeteryChurch monuments – within a church (or tomb-style chests in a churchyard) may be places of interment, but this is unusual; they more commonly stand over the grave or burial vault rather than containing the actual body and are therefore not tombsCrypts – often, though not always, for interment; similar to burial vaults but usually for more general public intermentMartyrium - final resting place for the remains of a martyr or saint, such as San Pietro in MontorioMausolea (including ancient pyramids in some countries) – external free-standing structures, above ground, acting as both monument and place of interment, usually for individuals or family groupsMegalithic tombs (including Chamber tombs) – prehistoric places of interment, often for large communities, constructed of large stones and originally covered with an earthen moundSarcophagi – stone containers for bodies or coffins, often decorated and perhaps part of a monument; these may stand within religious buildings or greater tombs or mausoleaSepulchres – cavernous, rock-cut or stone-built (often underground) spaces for interment, such as the ; however, it is generally used to refer to similar Jewish or Christian structures.Architectural shrines – in Christianity, an architectural shrine above a saint's first place of burial, as opposed to a similar shrine on which stands a reliquary or feretory into which the saint's remains have been transferredOther forms of archaeological 'tombs' such as ship burials
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Verb
1. place in a grave or tomb; "Stalin was buried behind the Kremlin wall on Red Square"; "The pharaos were entombed in the pyramids"; "My grandfather was laid to rest last Sunday"
(synonym) bury, inhume, inter, lay to rest
(hypernym) lay, put down, repose
(derivation) burial, entombment, inhumation, interment, sepulture

(v. t.)
To deposit in a tomb, as a dead body; to bury; to inter; to inhume.
  

A method of decommissioning in which radioactive contaminants are encased in a structurally long-lived material, such as concrete. The entombment structure is appropriately maintained and continued surveillance is carried out until the radioactivity decays to a level permitting decommissioning and ultimate unrestricted release of the property.