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
In the 33rd floor offices of Rudin Management, investigators from the NYPD’s Crime Scene Unit found another 24 shell casings from Tamura’s M4 rifle, as well as 15 bullet fragments, the NYPD official said.
—
John Miller, CNN Money, 3 Aug. 2025
Police recovered guns and 34 shell casings at the scene of the shooting, the outlets reported, citing authorities.
—Lesley Cosme Torres, People.com, 29 July 2025
If no gun is recovered at a crime scene, local police also have the ability to use ballistics information technology through the ATF to determine if the shell casings from a gun match shell casings from the same gun at other crime scenes.
—Olivia Olander, Chicago Tribune, 28 July 2025
Lighters The flammable fuel inside of lighters could expand and breach its casing, posing a fire or explosion risk, according to Geico.
—Cailey Gleeson, jsonline.com, 28 July 2025
See All Example Sentences for casing
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John Miller, CNN Money, 3 Aug. 2025
Police recovered guns and 34 shell casings at the scene of the shooting, the outlets reported, citing authorities.
—Lesley Cosme Torres, People.com, 29 July 2025
If no gun is recovered at a crime scene, local police also have the ability to use ballistics information technology through the ATF to determine if the shell casings from a gun match shell casings from the same gun at other crime scenes.
—Olivia Olander, Chicago Tribune, 28 July 2025
Lighters The flammable fuel inside of lighters could expand and breach its casing, posing a fire or explosion risk, according to Geico.
—Cailey Gleeson, jsonline.com, 28 July 2025
See All Example Sentences for casing
Cite this Entry
“Casing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/casing. Accessed 7 Aug. 2025.
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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