| Acronym | Definition |
|---|
| MECO➣Main Engine Cutoff |
| MECO➣Muon-Electron Conversion |
| MECO➣Massachusetts Electric Company |
| MECO➣Meetings Community (website) |
| MECO➣Magnetospheric Eternally Collapsing Object (alternative to a black hole) |
| MECO➣Modern Engineering Company, Inc. |
| MECO➣Major Command Equipment Control Officer |
| MECO➣McDonald Equipment Company |
| MECO➣Mission Économique (French: Economic Mission) |
| MECO➣Magnetic, Eternally Collapsing Object (physics) |