Mural
MU'RAL, adjective [Latin muralis, from murus, a wall.]
1. Pertaining to a wall.
--Soon repaired her mural breach.
2. Resembling a wall; perpendicular or steep; as a mural precipice.
Mural crown, among the ancient Romans, a golden crown or circle of gold, indented and embattled, bestowed on him who first mounted the wall of a besieged place and there lodged a standard.