rhizome Meaning, Definition & Usage

  1. noun a horizontal plant stem with shoots above and roots below serving as a reproductive structure
    rootstalk; rootstock.

WordNet

Rhi*zome" noun
Etymology
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.
Definitions
  1. (Bot.) A rootstock. See Rootstock.

Webster 1913