Hypertext Webster Gateway: "rhizome"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rhizome \Rhi*zome"\, n. [Gr. ??? the mass of roots (of a tree),
a stem, race, fr. ??? to make to root, pass., to take root,
fr. ??? a root: cf. F. rhizome.] (Bot.)
A rootstock. See {Rootstock}.
From WordNet (r) 1.7 (wn)
rhizome
n : a horizontal plant stem with shoots above and roots below
serving as a reproductive structure [syn: {rootstock}, {rootstalk}]
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