fibrous root


noun
  1. a root, as in most grasses, having numerous, very fine branches of approximately the same length.

  2. a root system that consists of very fine branches.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use fibrous root in a sentence

  • It has a fibrous root, and a stalked, lanceolate, entire frond with a distinct midrib throughout.

    The Sea Shore | William S. Furneaux
  • A firm grasp and a sharp tug brings them up with a fine supply of good fibrous root.

    Wood and Garden | Gertrude Jekyll
  • But the preparation of the fibrous root was tedious, calling as it did for various processes of drying and pounding.

    The Long White Cloud | William Pember Reeves
  • There is within the human heart a tough fibrous root of fallen life whose nature is to possess, always to possess.

    The Pursuit of God | A. W. Tozer
  • The branched fibrous root, as that of the Chickweed and Grasses.

    Field and Woodland Plants | William S. Furneaux

Scientific definitions for fibrous root

fibrous root

[ brəs ]


  1. Any of the roots in a system that is made up of many threadlike members of more or less equal length and is characteristic of monocotelydons. Fibrous roots develop from adventitious roots arising from the plant's stem and usually do not penetrate the soil very deeply. Because their roots attach themselves firmly to soil particles, plants with fibrous root systems are especially useful in preventing soil erosion. Compare taproot.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.