| Acronym | Definition |
|---|
| FRRS➣First Rib Resection and Scalenectomy (medical procedure) |
| FRRS➣Feather River Rail Society (California) |
| FRRS➣Federal Reserve Regulatory Service |
| FRRS➣Frequency Resource Record System |
| FRRS➣Fuel Return Rate Sensor |
| FRRS➣Fire Resistance Rated Separation |