primary wall


: the first-formed wall of a plant cell that is produced around the protoplast and usually has plasmodesmata

Example Sentences

Recent Examples on the Web Pick a primary wall and add a daring paint color or eye-catching wallpaper to create a focal point behind the TV. Kara Thompson, Good Housekeeping, 31 Aug. 2022 In places where no barriers previously existed, such as the rugged terrain where the Arizona Trail winds to its terminus, the Trump administration built a total of 47 miles of new primary wall. New York Times, 16 Mar. 2021 Of the 450 miles put up under Trump, 47 are new primary wall, and 351 miles have been in place of outdated models, such as vehicle barriers and shorter barriers. Anna Giaritelli, Washington Examiner, 12 Jan. 2021 The new primary wall-project represents an important milestone in our work to secure the international border. Kate Morrissey,, 1 June 2018 That design would be for both the primary wall right along the international border, and a secondary wall set several hundred feet north. Tribune News Service,, 27 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'primary wall.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1925, in the meaning defined above

Time Traveler
The first known use of primary wall was in 1925

Dictionary Entries Near primary wall

Cite this Entry

“Primary wall.” Dictionary, Merriam-Webster, Accessed 24 Mar. 2023.

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