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Meaning of upthrust

up•thrust

Pronunciation: (up'thrust"), [key]
— n.
  1. a thrust in an upward direction.
  2. a sudden and forceful upward movement, as of a nation's economy or the stock market: Market observers are hoping the upthrust can be sustained.
  3. an upheaval.
—v.i.
  1. to thrust upward: Frost caused the ground to upthrust.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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