Here are some commonly used terms in the funeral industry and their definitions:
Burial Vault: A concrete oblong box that seals shut and is placed into the ground to house a casket.
Casket: An oblong box made of wood, metal, copper, or bronze to hold a dead human body for burial.
Columbarium: An above ground structure designed with numerous openings called Niches which will hold cremated human remains.
Cremation: The process of using extreme heat to reduce a dead human body to ash.
Cremains: The Ash remaining after the cremation of a dead human body.
Crypt: A series of molded concrete boxes where a casket is placed, usually above ground in a mausoleum.
Entombment: The act of placing a casket in a crypt or chamber for burying the dead.
Grave, Plot, Lot: All refer to a specific area of ground that is excavated for interring one or more human bodies.
Interment: The act of burying the dead in a grave.
Inurnment: The act of placing a cremation urn in a grave or niche.
Lawn Crypt: A molded concrete box that does not seal placed in a grave to house one to two caskets.
Mausoleum: A building designed with many crypts for above ground entombments.
Niche: A place for above ground inurnments of cremated remains.
Urns: A container made of various types of material to hold cremated remains.
Urn Vault: A concrete or plastic container that will hold a cremation urn when inurned in the ground.