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
Joan Cusack and Tim Allen also signed the plastic casing, and posed with the singer for photos.
—
Leigh Blickley, Entertainment Weekly, 12 June 2026
But prosecutors say that police collected 37 shell casings from the scene, not 30.
—Nate Gartrell, Mercury News, 11 June 2026
Workers open the casing and pull out the battery’s core parts — the electrodes — while these are still completely intact.
—Mrigakshi Dixit, Interesting Engineering, 10 June 2026
Authorities also reportedly recovered two 9mm caliber casings, two projectile fragments, an air rifle and Luiz's cellphone.
—Luke Chinman, PEOPLE, 10 June 2026
See All Example Sentences for casing
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Leigh Blickley, Entertainment Weekly, 12 June 2026
But prosecutors say that police collected 37 shell casings from the scene, not 30.
—Nate Gartrell, Mercury News, 11 June 2026
Workers open the casing and pull out the battery’s core parts — the electrodes — while these are still completely intact.
—Mrigakshi Dixit, Interesting Engineering, 10 June 2026
Authorities also reportedly recovered two 9mm caliber casings, two projectile fragments, an air rifle and Luiz's cellphone.
—Luke Chinman, PEOPLE, 10 June 2026
See All Example Sentences for casing
Cite this Entry
“Casing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/casing. Accessed 15 Jun. 2026.
Copy CitationKids Definition
casing
noun
cas·ing
ˈkā-siŋ 
1
: something that encloses or surrounds
2
: a frame around a door or window opening
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