reredos

/ˈɹiɹ.dɒs/

IPA: /R IH0 R EH0 D OW0 Z/

noun
  1. 1

    (chiefly Western Christianity) A screen or decoration behind the altar in a church, usually depicting religious iconography or images, akin to the iconostasis of the Eastern Churches.

  2. 2

    The back of an open fire-hearth, in medieval halls.

Synonyms

Source: https://en.wiktionary.org/wiki/reredos