Meaning of upthrow

up•throw

Pronunciation: (n.up'thrō"v.up&sylpthrō'), [key]
— n., v., -threw, -thrown, -throw•ing.
—n.
  1. an upheaval, as of the earth's surface.
  2. an upward displacement of rock on one side of a fault.
—v.t.
  1. to throw or cast up or upward.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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