guard cell

noun

Definition of guard cell

: one of the two crescent-shaped epidermal cells that border and open and close a plant stoma

First Known Use of guard cell

1875, in the meaning defined above

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Time Traveler for guard cell

Time Traveler

The first known use of guard cell was in 1875

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Dictionary Entries Near guard cell

guard cartridge

guard cell

guard chamber

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Statistics for guard cell

Cite this Entry

“Guard cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guard%20cell. Accessed 25 Jan. 2022.

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More from Merriam-Webster on guard cell

Britannica.com: Encyclopedia article about guard cell

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