flatted

from The Collaborative International Dictionary of English v.0.48

Flat \Flat\, v. t. [imp. & p. p. {Flatted}; p. pr. & vb. n.
   {Flatting}.]
   1. To make flat; to flatten; to level.
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   2. To render dull, insipid, or spiritless; to depress.
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            Passions are allayed, appetites are flatted.
                                                  --Barrow.
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   3. To depress in tone, as a musical note; especially, to
      lower in pitch by half a tone.
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