1. tail rotor rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
  2. tall order a formidable task or requirement
  3. tailgater a driver who follows too closely behind another motor vehicle
  4. titrator an apparatus for performing a titration
  5. traitor a person who says one thing and does another
  6. tailwort hairy blue-flowered European annual herb long used in herbal medicine and eaten raw as salad greens or cooked like spinach
  7. dilatory wasting time
  8. tailored (of clothing) custom-made
  9. mail order a purchase negotiated by mail
  10. railroader an employee of a railroad
  11. tail feather feather growing from the tail (uropygium) of a bird
  12. dilator a muscle or nerve that dilates or widens a body part
  13. main rotor rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air
  14. radial artery branch of the brachial artery beginning below the elbow and extending down the forearm around the wrist and into the palm
  15. decorator someone who decorates
  16. trotter a horse trained to trot
  17. toll road an expressway on which tolls are collected
  18. torture infliction of suffering to punish or obtain information
  19. tailor a person whose occupation is making and altering garments
  20. Dialeurodes a genus of Aleyrodidae