Meaning of diapason

di•a•pa•son

Pronunciation: (dī"u-pā'zun, -sun), [key]
— n. Music.
  1. a full, rich outpouring of melodious sound.
  2. the compass of a voice or instrument.
  3. a fixed standard of pitch.
  4. either of two principal timbres or stops of a pipe organ, one of full, majestic toneand the other of strong, flutelike tone
  5. any of several other organ stops.
  6. a tuning fork.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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