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root cap

British  

noun

  1. 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
root cap Scientific  

  1. A thimble-shaped mass of cells that covers and protects the root tip of plants.

  2. Also called calyptra

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is called the "root cap" and protects the tip from injury.

From Project Gutenberg

B, a young root seen in optical section, × 150. r, root cap. d, young epidermis. pb. ground. pl. young fibro-vascular bundle.

From Project Gutenberg

The root caps, or cas, does not appear to have any Teutonic correspondent, and may merit a philological investigation.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.