noun, verb ·Uncommon ·College level

Definitions

Noun

1. 1
   That which encloses or encases.

   "Some people like to split the casing of a sausage before cooking so it doesn’t burst."

2. 2
   the enclosing frame around a door or window opening wordnet
3. 3
   The decorative trim around a door or window.
4. 4
   the outermost covering of a pneumatic tire wordnet
5. 5
   A metal pipe used to line the borehole of a well.

Show 3 more definitions

6. 6
   the housing or outer covering of something wordnet
7. 7
   The state of letter case across a whole phrase or whole lines of text; the collective state/arrangement of uppercase and lowercase letters. uncountable

   "The replacement string should have the same casing as the matched text."

8. 8
   A tire. Appalachia, dated

Verb

1. 1
   present participle and gerund of case form-of, gerund, participle, present

Synonyms

All synonyms

cadrecasecasementchassisfabricframe

Example

More examples

"For safety purposes, remove the plastic casing before use."

Related phrases

casing beadcasing hangercasing stringsausage casingshell casing

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.