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
The report says investigators found five casings outside the room, indicating this is one place the assailant stopped and reloaded.
—
The Denver Post Editorial Board, Denver Post, 8 May 2026
Deputies searched the beach and found blood, two pairs of shoes, a Glock handgun and shell casings, according to an arrest affidavit police provided to the Daily News.
—Theresa Braine, New York Daily News, 7 May 2026
Cahill said that the case was particularly ripe with what the police did not do but should have done, citing no DNA testing on shell casings, no search for the weapons used and no search warrant for the home where Betts lived.
—Ben Wheeler, Kansas City Star, 7 May 2026
Police found a sear switch that was capable of holding 24 rounds; five of the shell casings recovered on the scene were found to have been fired from the gun.
—Colleen Cronin, Boston Herald, 7 May 2026
See All Example Sentences for casing
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The Denver Post Editorial Board, Denver Post, 8 May 2026
Deputies searched the beach and found blood, two pairs of shoes, a Glock handgun and shell casings, according to an arrest affidavit police provided to the Daily News.
—Theresa Braine, New York Daily News, 7 May 2026
Cahill said that the case was particularly ripe with what the police did not do but should have done, citing no DNA testing on shell casings, no search for the weapons used and no search warrant for the home where Betts lived.
—Ben Wheeler, Kansas City Star, 7 May 2026
Police found a sear switch that was capable of holding 24 rounds; five of the shell casings recovered on the scene were found to have been fired from the gun.
—Colleen Cronin, Boston Herald, 7 May 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 12 May. 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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