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taproot

[tap-root, -roo t]
noun Botany.
  1. a main root descending downward from the radicle and giving off small lateral roots.
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Origin of taproot

First recorded in 1595–1605; tap2 + root1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for taproot

Historical Examples of taproot

  • Some of them had sent down a taproot nearly or quite three inches in length.

    Walnut Growing in Oregon

    Various

  • Domesticity is the taproot which enables the nation to branch wide and high.

  • The root of evil, the taproot from which the evils of modern society develop, is the profit idea.

  • No tree can grow in it, for the moment the taproot touches the Black Ram the tree dies.

    A Book of Ghosts

    Sabine Baring-Gould

  • Taproot: the main root of a plant, which runs directly down into the earth to a considerable depth without dividing.

    Agriculture for Beginners

    Charles William Burkett


British Dictionary definitions for taproot

taproot

noun
  1. the large single root of plants such as the dandelion, which grows vertically downwards and bears smaller lateral roots
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Derived Formstaprooted, adjective

Word Origin for taproot

C17: from tap ² + root 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for taproot

n.

c.1600, from tap (n.) + root (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper

taproot in Science

taproot

[tăprōōt′, -rut′]
  1. The main root in gymnosperms, eudicotyledons, and magnoliids, usually stouter than the lateral roots and growing straight downward from the stem. The taproot develops from the primary root. The taproot and its lateral roots penetrate deeper into the soil than the fibrous roots characteristic of monocotyledons. Compare fibrous root.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

taproot in Culture

taproot

The single deep root of many deciduous trees that forms the basis for their root systems.

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Note

Figuratively, a “taproot” is the source of an idea or work: “His childhood in Wales is the taproot of his poetry.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.