Mural /(?)/

Mu·ral

Mural

a.
  1. Of or pertaining to a wall; being on, or in, a wall; growing on, or against, a wall; as, a mural quadrant.
  2. Resembling a wall; perpendicular or steep; as, a mural precipice.

Phrases & Compounds
Mural circle
a graduated circle, in the plane of the meridian, attached permanently to a perpendicular wall; -- used for measuring arcs of the meridian. See Circle, n., 3.
Mural crown
a golden crown, or circle of gold indented so as to resemble a battlement, bestowed on him who first mounted the wall of a besieged place, and there lodged a standard.