KEY

Definition of KEY

  1. (verb)identify as in botany or biology, for example
  2. (verb)provide with a key
  3. (verb)vandalize a car by scratching the sides with a key
  4. (verb)regulate the musical pitch of
  5. (verb)harmonize with or adjust to
  6. (noun)metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
  7. (noun)something crucial for explaining
  8. (noun)pitch of the voice
  9. (noun)any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music
  10. (noun)a kilogram of a narcotic drug
  11. (noun)a winged often one-seed indehiscent fruit as of the ash or elm or maple
  12. (noun)a coral reef off the southern coast of Florida
  13. (noun)(basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court
  14. (noun)a list of answers to a test
  15. (noun)a list of words or phrases that explain symbols or abbreviations
  16. (noun)a generic term for any device whose possession entitles the holder to a means of access
  17. (noun)mechanical device used to wind another device that is driven by a spring (as a clock)
  18. (noun)the central building block at the top of an arch or vault
  19. (noun)a lever (as in a keyboard) that actuates a mechanism when depressed
  20. (adj)serving as an essential component