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prop root

noun, Botany
1.
an adventitious root that supports the plant, as the aerial roots of the mangrove tree or of corn.
Also called brace root.
Origin
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for prop roots

prop root

noun
1.
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 roots in Science
prop root
  (prŏp)   
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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