CASING

Definition:

1. [noun] the housing or outer covering of something; "the clock has a walnut case"
   Synonyms: shell, case
   
   
2. [noun] the outermost covering of a pneumatic tire
   
   
3. [noun] the enclosing frame around a door or window opening; "the casings had rotted away and had to be replaced"
   Synonyms: case
   
   

Synonyms:

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Related Words:

• boot
• gearbox, gear case
• jacket