MURAL a.
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 indent…
RACK n.
aid as a rail, to afford a hold for teeth on the driving wheel of locomotive for climbing steep gradients, as in ascending a mountain. -- Rack saw, a saw having wide teeth. -- Rack stick, the stick used in a rack lashing. -- To be on the rack, to suffer torture, physical or mental. -- To live at rack and manger, to…