mural : Idioms & Phrases
Index
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. SeeCircle , n., 3.
Webster 1913
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.