| TRA | type genus of the Trachipteridae |
|---|---|
| TRA | deep-sea ribbonfish |
| TRA | large duck-billed dinosaur of the Upper Cretaceous |
| TRA | large duck-billed dinosaur of the Upper Cretaceous |
| TRA | a chronic contagious viral disease marked by inflammation of the conjunctiva and cornea of the eye and the formation of scar tissue |
| TRA | scads especially horse mackerels |
| TRA | a California food fish |
| TRA | large elongated compressed food fish of European Atlantic waters |
| TRA | the act of drawing a plan or diagram or outline |
| TRA | drawing created by tracing |
| TRA | a semitransparent paper that is used for tracing drawings |
| TRA | a routine that provides a chronological record of the execution of a computer program |