Mullions or Munnions, Arch. The slender piers which separate a window into several compartments.

Multifoiled, Arch. Having many Foils (q.v.). This term is synonymous with POLYFOILED.

Mummy. This pigment should be made of the pure Egyptian asphaltum, ground up with drying oil or with amber varnish.

Mummy-cloths (Egyptian) were of fine unmixed flaxen linen, beautifully woven, of yarns of nearly 100 hanks in the pound, with 140 threads in an inch in the warp, and about 64 in the woof.

Muniment-rooms, to be strong and fire-proof, were erected over porches, gateways, &c. They contained charters, archives, &c. (See Charter-house.)

Munnions, Arch., for Mullions (q.v.).

Mural. Generally, on a wall; as—

Mural Arch. An arch against a wall, frequent in the aisles of mediæval buildings.

Fig. 472. Mural crown.