companion cell

noun

: a living nucleated cell that is closely associated in origin, position, and probably function with a cell making up part of a sieve tube of a vascular plant

Word History

First Known Use

1859, in the meaning defined above

Time Traveler

The first known use of companion cell was in 1859

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Dictionary Entries Near companion cell

companionate marriage

companion cell

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Cite this Entry

Style

“Companion cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/companion%20cell. Accessed 29 Mar. 2023.

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