| Acronym | Definition |
|---|
| TRAA➣Three Rivers Ambulance Authority (Fort Wayne, IN) |
| TRAA➣Towing & Recovery Association of America |
| TRAA➣The Rock across Australia (Christian music charts) |
| TRAA➣Terminal Railroad Association of St. Louis |
| TRAA➣Telluride Regional Airport Authority (Colorado) |
| TRAA➣Thick Rectangular Aperture Antenna |