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

Investigators recovered 114 spent shell casings along the K Street Mall after the shooting, according to court records, evidence of the sheer volume of gunfire unleashed within seconds. — Daniel Hunt, Sacbee.com, 3 Oct. 2026

Most of the gun residue, casings, and bullet holes were found in the garage. — Ct Jones, Rolling Stone, 30 Sep. 2026

Several bullet holes and shell casings could be seen at the building where the child was struck. — Briauna Brown, CBS News, 29 Sep. 2026

The casing worked for the electrons but couldn’t keep protons at bay, which degraded the photon detectors. — Ameya Paleja, Interesting Engineering, 28 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