rootlet

[ root-lit, roo t- ]
/ ˈrut lɪt, ˈrʊt- /

noun Botany.

a little root.
a small or fine branch of a root.
one of the adventitious roots by which ivy or the like clings to rocks or other supports.

Origin of rootlet

First recorded in 1785–95; root1 + -let
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for rootlet

rootlet
/ (ˈruːtlɪt) /

noun

a small root or branch of a root
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