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[root-kap, roo t-] /ˈrutˌkæp, ˈrʊt-/
noun, Botany.
the loose mass of epidermal cells covering the apex of most roots, serving to protect the meristematic cells behind it.
Origin of rootcap
First recorded in 1875-80; root1 + cap1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for root cap
Historical Examples
  • This is evidently an adaptation which protects the young and actively growing cells just under the root cap.

    A Civic Biology George William Hunter
British Dictionary definitions for root cap

root cap

a hollow cone of loosely arranged cells that covers the growing tip of a root and protects it during its passage through the soil
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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root cap in Science
root cap  
A thimble-shaped mass of cells that covers and protects the root tip of plants. Also called calyptra.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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