| Glossary Terms for the Letter M | ||
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| Masonry Construction made by the layin | ||
| Masonry Opening The actual opening size of a w | ||
| Medallion An ornamental block. | ||
| Miter The splicing of two cast stone | ||
| Model The positive shape that repres | ||
| Mortar A blend of cement, lime, sand, | ||
| Mullion A vertical member that forms a |