an arched structure of masonry, usu forming a ceiling or roof
a room with an arched ceiling that comes down to the floor, esp a cellar
something, e.g. the sky, resembling a vault
an arched or dome-shaped anatomical structure
an underground passage, room, or storage compartment
a room or compartment for the safekeeping of valuables
a burial chamber, esp beneath a church or in a cemetery
a prefabricated container, usu of metal or concrete, into which a coffin is placed at burial