prop root


noun Botany.

an adventitious root that supports the plant, as the aerial roots of the mangrove tree or of corn.

Origin of prop root

First recorded in 1900–05
Also called brace root.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for prop root

prop root

noun

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

prop root in Science

prop root

[prŏp]

An aerial root that arises from a stem or trunk, penetrates the soil, and helps support the stem, as in mangroves.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.