pitch /piCH, /
— n
  1. the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone.
  2. the steepness of a slope, especially of a roof.
  3. the height to which a hawk soars before swooping on its prey.
  4. Baseball a legal delivery of the ball by the pitcher.
  5. a form of words used when trying to persuade someone to buy or accept something.
source: Oxford English dictionary
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