1. triplicate one of three copies
  2. triplex having three units or components or elements
  3. turbulence instability in the atmosphere
  4. tribal chief the head of a tribe or clan
  5. turbulency unstable flow of a liquid or gas
  6. timbale case small pastry shell for creamy mixtures of minced foods
  7. troublous full of trouble
  8. Thuja plicata large valuable arborvitae of northwestern United States
  9. perplex be a mystery or bewildering to
  10. display case a glass container used to store and display items in a shop or museum or home
  11. troublemaker someone who deliberately stirs up trouble
  12. tower block tower consisting of a multistoried building of offices or apartments
  13. triple sec type of curacao having higher alcoholic content
  14. duplicate a copy that corresponds to an original exactly
  15. replicate reproduce or make an exact copy of
  16. probable cause (law) evidence sufficient to warrant an arrest or search and seizure
  17. taro plant herb of the Pacific islands grown throughout the tropics for its edible root and in temperate areas as an ornamental for its large glossy leaves
  18. implication something that is inferred
  19. tribologist a specialist in tribology
  20. tribulation an annoying or frustrating or catastrophic event