Mu·ral a.
 1. Of or pertaining to a wall; being on, or in, a wall; growing on, or against, a wall; as, a mural quadrant. “Mural breach.” --Milton. “Mural fruit.” --Evelyn.
 2. Resembling a wall; perpendicular or steep; as, a mural precipice.
 Mural circle Astron., 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 Rom. Antiq., 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.

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