1. control key (computer science) the key on a computer keyboard that is used (in combination with some other key) to type control characters
  2. control power to direct or determine
  3. controlled restrained or managed or kept within certain bounds
  4. controller a mechanism that controls the operation of a machine
  5. controlling able to control or determine policy
  6. contrast the opposition or dissimilarity of things that are compared
  7. contrite feeling or expressing pain or sorrow for sins or offenses
  8. contralto the lowest female singing voice
  9. contrary exact opposition
  10. contour line a line drawn on a map connecting points of equal height
  11. control freak someone with a compulsive desire to exert control over situations and people
  12. contradict prove negative; show to be false
  13. controversy a dispute where there is strong disagreement
  14. control rod a steel or aluminum rod that can be moved up or down to control the rate of the nuclear reaction
  15. countryfolk people living in the same country; compatriots
  16. ventriloquy the art of projecting your voice so that it seems to come from another source (as from a ventriloquist's dummy)
  17. contribute provide
  18. control grid an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
  19. contrived showing effects of planning or manipulation
  20. contrail an artificial cloud created by an aircraft