Meaning of surtax

sur•tax

Pronunciation: (n.sûr'taks"v.sûr'taks", sûr&sylptaks'), [key]
— n.
  1. an additional or extra tax on something already taxed.
  2. one of a graded series of additional taxes levied on incomes exceeding a certain amount.
—v.t.
  1. to put an additional or extra tax on; charge with a surtax.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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