1. tread on place or press the foot on
  2. triton tropical marine gastropods having beautifully colored spiral shells
  3. Triton (Greek mythology) a sea god; son of Poseidon
  4. trade-in an item of property that is given in part payment for a new one
  5. trade in turn in as payment or part payment for a purchase
  6. Doriden sedative used to treat some sleep disorders
  7. Trenton capital of the state of New Jersey
  8. Triaenodon a genus of Triakidae
  9. trichion point where the hairline meets the midpoint of the forehead
  10. trillion the number that is represented as a one followed by 12 zeros
  11. bridoon a bit resembling a snaffle bit; used with a separate curb
  12. Friedan United States feminist who founded a national organization for women (born in 1921)
  13. tragedian a writer (especially a playwright) who writes tragedies
  14. trim down cut down on; make a reduction in
  15. trigon a triangular lyre of ancient Greece and Rome
  16. tried tested and proved to be reliable
  17. Tridacna type genus of the family Tridacnidae: giant clams
  18. trident a spear with three prongs
  19. dried-out thoroughly dried out
  20. tread down walk on and flatten

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