root cap


: a protective cap of parenchyma cells that covers the terminal meristem in most root tips

Word History

First Known Use

1849, in the meaning defined above

Time Traveler
The first known use of root cap was in 1849

Dictionary Entries Near root cap

Cite this Entry

“Root cap.” Dictionary, Merriam-Webster, Accessed 22 Mar. 2023.

Kids Definition

root cap

: a layer of dead cells that forms a protective cover over the growing tip of a root

More from Merriam-Webster on root cap

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