reredos definition by Webster's New World
Origin: Middle English rerdos, aphetic ; from Anglo-French areredos ; from Old French arere (see arrears) plush dos, back (see dosser)
reredos definition by American Heritage Dictionary
- A decorative screen or facing on the wall at the back of an altar; a retable.
- The back of an open hearth of a fireplace.
Origin: Middle English, from Anglo-Norman, from areredos : arere, behind (Latin ad-, ad- + Latin retrō, backward; see re- in Indo-European roots) + dos, back (from Latin dorsum).