Patera (architecture)

paterae) is an ornamental circular or elliptical bas-relief disc.

[1][2] The patera is usually used to decorate friezes and walls, and to interrupt moldings.

[6] The patera is used both within the civil and church architecture is usually made of marble or Istrian stone.

The subject represented in the bas-relief is generally of floral or animal type, but there are also figures symbolizing trades or people.

[7] Being mainly a decorative element, the patera may also perform an apotropaic function to keep away evil spirits.