| trach | a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air |
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| trach | a genus of Carangidae |
| trach | found in coastal waters New England to Brazil except clear waters of West Indies |
| trach | large game fish |
| trach | ribbonfishes |
| trach | type genus of the Trachipteridae |
| trach | deep-sea ribbonfish |
| trach | large duck-billed dinosaur of the Upper Cretaceous |
| trach | large duck-billed dinosaur of the Upper Cretaceous |
| trach | a chronic contagious viral disease marked by inflammation of the conjunctiva and cornea of the eye and the formation of scar tissue |
| trach | scads especially horse mackerels |
| trach | a California food fish |