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

Novelis is expanding its portfolio of coated aluminum solutions for battery applications, targeting components including battery enclosures, casings and electrical connectors known as bus bars. — Neetika Walter, Interesting Engineering, 19 Sep. 2026

The Apple Watch Ultra 4 comes in one size (49mm), one casing material (titanium), and one wireless configuration (GPS and cellular) for $799, the same as the Ultra 3. — Will Greenwald, PC Magazine, 18 Sep. 2026

Police found a Glock handgun, a magazine, a holster, three shell casings, four live rounds, a wallet, money and a Missouri ID card for Mahmud in a grocery sack in between two fences near the business, according to court documents. — Nathan Pilling, Kansas City Star, 18 Sep. 2026

The steering stem and retaining nut, swingarm, motor housing and side covers, inverter body and casing, docking station, handlebar map switch, and charging-port cap all receive their own black treatments. — New Atlas, 16 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