A cemetery, burial ground, gravesite, graveyard, or a green space called a memorial park or memorial garden, is a place where the remains of many dead people are buried or otherwise entombed. The word cemetery implies that the land is specifically designated as a burial ground and originally applied to the Roman catacombs. The term graveyard is often used interchangeably with cemetery, but a graveyard primarily refers to a burial ground within a churchyard.