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Meaning of flatten

flat•ten

Pronunciation: (flat'n), [key]
— v.t.
  1. to make flat.
  2. to knock down: The boxer flattened his opponent in the second round.
—v.i.
  1. to become flat.
  2. See (def. 57).
  3. to fly into a horizontal position, as after a dive.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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