Ciborium by Bernini in Saint Sauveur Basilica (Rennes, France) - Catholic Stock Photo
Details In ecclesiastical architecture, a ciborium ("ciborion": κιβώριον in Greek) is a canopy or covering supported by columns, freestanding in the sanctuary, that stands over and covers the altar in a basilica or other church. It may also be known by the more general term of baldachin, though...