| Abbreviation | Definition |
|---|---|
| MOE | Means Of Escape |
| MOL | More Or Less |
| Monsieur | Mon Seigneur (My Lord) |
| MPA | Margulies Perruzzi Architects |
| MPPS | Most Penetrating Particle Size |
| MPT | Male Pipe Thread |
| MR | Men's Rest room |
| MR | Mirror Roof |
| MRE | Mapping, Reporting, and Engineering |
| MRS | Mobile Roof Support |
| MRS | Multiple Roundpoint Structures |
| MSAI | Michael Spaziani Architect Inc |
| MSB | Multi-Service Building |
| MSBOA | Mississippi State Board of Architecture |
| MSCL | Mild Steel Cement Lined |
| MSEA | Metasys Systems Extended Architecture |
| MSI | Masonry and Structural Improvements |
| MSLA | Master of Science in Landscape Architecture |
| MSSA | Multi Service Storage Architecture |
| MT | Make Trace |