Source : Webster's Revised Unabridged Dictionary (1913)

Mural \Mu"ral\, a. [F., fr. L. muralis, fr. murus wall. See
   {Mure} a wall.]
   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.