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

The third model separates itself with a platinum casing and different face design, including a large-format date and a dial tracking the moon phase and the day of the week. —Kristian Burt, CNBC, 18 Oct. 2024

The recall notice says the wire may rub on other components near the engine, wearing down the wire's outer casing which could lead to a short circuit and a loss of electrical power with little or no warning. —Rick Barrett, Journal Sentinel, 25 Sep. 2024

Meanwhile, the two shell casings that were recovered from the scene by Relli (real name Terell Ephron) and turned into police two days later had no fingerprints. —Daniela Avila, People.com, 22 Oct. 2024

Visualizing how mass shootings in 2024 compare with past years More than 100 shell casings were recovered from the scene, Thurmond added. —Michelle Watson, CNN, 23 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