casing

noun

cas·​ing ˈkā-siŋ 

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

c

: tire entry 2 sense 1

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

Synonyms

• armor
• capsule
• case
• cocoon
• cover
• covering
• encasement
• housing
• hull
• husk
• jacket
• pod
• sheath
• shell

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

Maybe the firearm that was used was a revolver, so there would be no casings left behind. —Stephanie Nolasco, Fox News, 14 Sep. 2024

The Germans, like other dumping nations, long assumed that when the casings broke down, the vast ocean would simply dissolve pollutants into harmless fractions. —Paul Hockenos, Smithsonian Magazine, 10 Sep. 2024

But investigators found no shell casings or bullets to support that. —Erin Moriarty, CBS News, 4 Sep. 2024

There were numerous shell casings found in the aftermath. —Raul Trey Lopez, San Antonio Express-News, 3 Sep. 2024

Word History

First Known Use

1791, in the meaning defined at sense 1

Kids Definition

casing

noun

cas·​ing ˈkā-siŋ 

1

: something that encloses or surrounds

2

: a frame around a door or window opening