t-rex.

Trex may refer to:Tyrannosaurus rex, a large species of theropod dinosaur from the late Cretaceous Period Trex Company, Inc., a composite decking manufacturer Tampere Region Exchange, an Internet Exchange Point in Finland Trex a card game TREX search engine, a search engine in SAP NetWeaver TREX, a subset of Regular Language description for XML The proteins TREX1 and TREX2