Rere"dos (r?r"d?s), n. [From rear + F. dos back, L. dorsum. Cf. Dorsal.] Arch. (a)
A screen or partition wall behind an altar.
The back of a fireplace.
The open hearth, upon which fires were lighted, immediately under the louver, in the center of ancient halls.
[Also spelt reredosse
© Webster 1913.