Definitions

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

  • n. A slender rootlike filament by which mosses, liverworts, and fern gametophytes attach to the substratum and absorb nourishment.
  • n. A rootlike extension of the thallus of a fungus.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A rootlike structure in fungi and some plants that acts as support and/or aids the absorption of nutrients.

from the GNU version of the Collaborative International Dictionary of English

  • n. A rootlike appendage.

from The Century Dictionary and Cyclopedia

  • In botany and zoology, root-like; resembling a root.
  • n. In botany, a filamentous organ resembling a root, but of simple structure, found on compound thalli of all kinds, and on the stems of the Muscine├Ž.
  • n. Rhizoids are numerously produced, and their function is the attachment of the plant to the substratum. The older term was rhizina. See cut under prothallium.

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

  • n. any of various slender filaments that function as roots in mosses and ferns and fungi etc

Etymologies

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