| TRA | the act of participating in an athletic competition involving running on a track |
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| TRA | a course over which races are run |
| TRA | any road or path affording passage especially a rough one |
| TRA | a bar or bars of rolled steel making a track along which vehicles can roll |
| TRA | a pair of parallel rails providing a runway for wheels |
| TRA | a groove on a phonograph recording |
| TRA | (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data |
| TRA | an endless metal belt on which tracked vehicles move over the ground |
| TRA | evidence pointing to a possible solution |
| TRA | a distinct selection of music from a recording or a compact disc |
| TRA | a line or route along which something travels or moves |
| TRA | make tracks upon |