casing

1 of 2

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

casing

2 of 2

present participle of case entry 3

Synonyms of casing

Noun

• sheath
• housing
• covering
• shell
• case

Examples of casing in a Sentence

Noun

a casing for a shotgun shell

the egg of this bird has an unusually hard casing

Recent Examples on the Web

Noun

At the scene, police recovered six 9mm bullets and nine shell casings. — Rocco Parascandola, New York Daily News, 8 Sep. 2026

The couple opened up the kitchen and dining room (preserving the separate spaces via arched casings inspired by the original entryway), relocated the laundry room upstairs, and updated the baths while keeping the existing Tennessee marble. — Cameron Beall, Southern Living, 7 Sep. 2026

Plus, the light, ergonomic ear casings secure up to 50 hours of total charge capsule stamina with rapid quick-charge support. — Juhi Wadia, PC Magazine, 6 Sep. 2026

On Sunday, investigators returned to the scene and found several shell casings on the tracks behind the house where the shooting occurred. — Paul Burton, CBS News, 6 Sep. 2026

Word History

First Known Use

Noun

1791, in the meaning defined at sense 1

Rhymes for casing

• basing
• bracing
• chasing
• facing
• gracing
• lacing
• lasing
• pacing
• placing
• racing
• spacing
• tracing

Kids Definition

casing

noun

cas·​ing ˈkā-siŋ 

1

: something that encloses or surrounds

2

: a frame around a door or window opening