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rootstock definition

root·stock (ro̵̅o̅t′stäk′, ro̵ot′-)

noun

  1. Bot.
    1. rhizome
    2. a plant onto which another is grafted as a new top
  2. Zool. the rootlike, attached portion of a hydroid colony

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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