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

  • n. A small root or division of a root.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One of the smallest roots, hair roots.

from the GNU version of the Collaborative International Dictionary of English

  • n. A radicle; a little root.

from The Century Dictionary and Cyclopedia

  • n. A little root; a radicle; a root-fibril: specifically applied to the fine roots put forth by certain plants, by which they cling to their supports, as in Rhus Toxicodendron.

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

  • n. small root or division of a root


from Wiktionary, Creative Commons Attribution/Share-Alike License

From root +‎ -let.


  • A tree that it takes both arms to encircle grew from a tiny rootlet.

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  • Instead, he gestured at first this rootlet and then that hummock of moss.

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  • A bucket with holes in the side .. and as each young new rootlet emerges from a bucket hole .. we snip it off ..

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  • Even by today, only 3 had truly put out a rootlet, though a few more looked on the verge.

    various and sundry

  • There is a mournfulness in seeing the pointed fruit of the mangrove drop down through the still air into the slime beneath, with the rootlet already formed of that which never fails to become a tree.

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  • It is indeed a miraculous sight to see a tiny seed slowly rupture and give way to rootlet and stem, later to become a sapling and, in time, a timber giant to cradle children in its branches.

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  • A week later the seed has germinated, and the rootlet is about 2 centimetres long.

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  • Its purpose is to enable the rootlet to penetrate the soil.

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  • · There are parts of the rootlet which perhaps you cannot see, because they are too small or because they have remained in the ground.

    Chapter 6

  • · At the tip of the rootlet there is the root - cap.

    Chapter 6


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