Mausoleum, a magnificent sepulchral monument or tomb. From the tomb erected to Mausolus, by his wife Artemisia, at Halicarnassus, 379 B.C.
Metopes, literally faces, the square spaces between triglyphs in Doric architecture; occasionally applied to the sculptures fitted into these spaces.
Minaret, a slender lofty tower, a usual appendage of a Mohammedan mosque.
Monolith, of one stone.
Mortise, a hollow in a stone or timber to receive a corresponding projection.
Mosque, a Mohammedan place of worship.
Mutule, a feature in a Classic Doric cornice, somewhat resembling the end of a timber beam.
Narthex, in an early Christian church, the space next the entrance.
Obelisk, a tapering stone pillar, a feature of Egyptian architecture.
Opus Alexandrinum, the mosaic work used for floors in Byzantine and Romanesque churches.