| Acronym | Definition |
|---|
| ECWS➣English Civil War Society (history re-enactment group) |
| ECWS➣Extreme Cold Weather System |
| ECWS➣Extended Cold Weather System |
| ECWS➣Element Control Workstation |
| ECWS➣Evere Country White Star (Brussels, Belgium) |
| ECWS➣Enhanced Caution Warning System |
| ECWS➣Electronic Computer Waste Services (Lancashire, England electronic recycling company) |