co·​lum·​nar | \ kə-ˈləm-nər How to pronounce columnar (audio) \

Definition of columnar

1 : of, relating to, resembling, or characterized by columns
2 : of, relating to, being, or composed of tall narrow somewhat cylindrical or prismatic epithelial cells

Examples of columnar in a Sentence

Recent Examples on the Web Among the available cultivars are Jade Butterfly ginkgo, a dwarf variety that grows just 12 to 15 feet high; Princeton Sentry ginkgo, a narrow, nearly columnar tree that tapers to a point; and Autumn Gold ginkgo, which has excellent fall color. Beth Botts,, 27 Sep. 2020 The trek features some breathtaking views of the crumbling volcanic cliffs above Munson Creek and Annie Creek Canyon’s distinct, columnar formations. Emily Pennington, Outside Online, 15 Jan. 2020 Pruning didn’t much change Twisty Baby’s columnar appearance. Bonnie Blodgett, Twin Cities, 16 Nov. 2019 To the left of the guest house is a pair of columnar eastern white pines that, like the Katsuras, seem not to mind the very same conditions the birch detest. Bonnie Blodgett, Twin Cities, 12 Oct. 2019 Among them are a terrific pair of life-size young athletes poised to begin a footrace; two columnar water nymphs identified as the work of Stephanos, a Greek sculptor in Rome; and a leaping month-old piglet, poised on rear hooves. Christopher Knight,, 3 July 2019 Four years later, the National Arboretum in Washington, D.C., introduced an even more columnar variety named Capital. Adrian Higgins, The Seattle Times, 17 Sep. 2018 The temperature at which magma cools to form these columnar joints is a question that has fascinated the world of geology for a very long time. David Grossman, Popular Mechanics, 12 Apr. 2018 Rounded barrel cactuses have low surface area, relative to their succulent storage capacity, while columnar cactuses or prickly pears expose only their thin edges at the tops or sides to direct sunlight. Natalie Angier, New York Times, 24 Apr. 2017 See More

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

First Known Use of columnar

1728, in the meaning defined at sense 1

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The first known use of columnar was in 1728

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Cite this Entry

“Columnar.” Dictionary, Merriam-Webster, Accessed 27 May. 2022.

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co·​lum·​nar | \ kə-ˈləm-nər How to pronounce columnar (audio) \

Medical Definition of columnar

: of, relating to, being, or composed of tall narrow somewhat cylindrical or prismatic epithelial cells Barrett's esophagus is the condition in which a metaplastic columnar epithelium replaces the squamous epithelium that normally lines the distal esophagus.— Stuart Jon Spechler, Scientific American Medicine Bulletin When the development of the teeth is about to commence, the mouth cavity is lined by an epithelium which consists of a layer of low columnar cells.— James Henderson Scott et al., Introduction to Dental Anatomy

More from Merriam-Webster on columnar

Britannica English: Translation of columnar for Arabic Speakers


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