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prop root

noun, Botany
an adventitious root that supports the plant, as the aerial roots of the mangrove tree or of corn.
Also called brace root.
1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for prop root
  • As trees age, gaining size and putting down large prop root supports, significant horizontal as well as vertical growth occurs.
British Dictionary definitions for prop root

prop root

a root that grows from and supports the stem above the ground in plants such as mangroves
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
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prop root in Science
prop root
An adventitious root that arises from the stem, penetrates the soil, and helps support the stem, as in corn.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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