Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A horizontal, usually underground stem that often sends out roots and shoots from its nodes. Also called rootstalk, rootstock.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A horizontal underground stem of some plants that sends out roots and shoots from its nodes.
  • n. A so-called "image of thought" that apprehends multiplicities. See Rhizome (philosophy).

from the GNU version of the Collaborative International Dictionary of English

  • n. A rootstock. See rootstock.

from The Century Dictionary and Cyclopedia

  • n. In botany, a stem of root-like appearance, horizontal or oblique in position, lying on the ground or subterranean, bearing scales instead of leaves, and usually producing from its apex a leafy shoot or scape.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a horizontal plant stem with shoots above and roots below serving as a reproductive structure

Etymologies

Greek rhizōma, mass of roots, from rhizoun, to cause to take root, from rhiza, root.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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