casing

noun

cas·​ing ˈkā-siŋ How to pronounce casing (audio)
1
: something that encases : material for encasing: such as
a
: an enclosing frame especially around a door or window opening
b
: a metal pipe used to case a well
d
: a membranous case for processed meat
2
: a space formed between two parallel lines of stitching through at least two layers of cloth into which something (such as a rod or string) may be inserted

Examples of casing in a Sentence

a casing for a shotgun shell the egg of this bird has an unusually hard casing
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
During their investigation, police found six 10mm shell casings at the scene. Kendrick Calfee, Kansas City Star, 3 June 2025 While the casing is mostly reinforced plastic, the screen surround is titanium. Andrew Williams, Forbes.com, 30 May 2025 Its thick plastic outer casing is impervious to flex. PC Magazine, 28 May 2025 The Artemis program’s rocket booster engines, casings, and main engines are all repurposed and refurbished from Space Shuttle craft. Andrew Paul, Popular Science, 15 May 2025 See All Example Sentences for casing

Word History

First Known Use

1791, in the meaning defined at sense 1

Time Traveler
The first known use of casing was in 1791

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Cite this Entry

“Casing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/casing. Accessed 10 Jun. 2025.

Kids Definition

casing

noun
cas·​ing ˈkā-siŋ How to pronounce casing (audio)
1
: something that encloses or surrounds
2
: a frame around a door or window opening

More from Merriam-Webster on casing

Last Updated: - Updated example sentences
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