1. double eagle a former gold coin in the United States worth 20 dollars
  2. double-glaze provide with two sheets of glass
  3. double gold very tall branching herb with showy much-doubled yellow flower heads
  4. diabolically as a devil; in an evil manner
  5. diabolical showing cunning or ingenuity or wickedness
  6. duplicable capable of being duplicated
  7. double dagger a character used in printing to indicate a cross reference or footnote
  8. double-dealer a person who says one thing and does another
  9. double-check check once more to be absolutely sure
  10. double check something that checks the correctness of a previous check
  11. double-quick (of a marching cadence) very quick
  12. double quick at a faster speed
  13. double chin a fold of fatty tissue under the chin
  14. double play the act of getting two players out on one play
  15. double fault (tennis) two successive faults in serving resulting in the loss of the point
  16. double salt a solution of two simple salts that forms a single substance on crystallization
  17. double talk deliberately unintelligible gibberish
  18. double boiler two saucepans, one fitting inside the other
  19. double-geared equipped with compound gearing consisting of 2 pinions and 2 wheels in mesh to increase the mechanical advantage
  20. double agent a spy who works for two mutually antagonistic countries

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