Definition as Noun

• the outermost covering of a pneumatic tire
• the enclosing frame around a door or window opening
• the housing or outer covering of something

Definition as Noun

• nouns or pronouns or adjectives (often marked by inflection) related in some way to other words in a sentence

• case

• shell, case

• case

• "the casings had rotted away and had to be replaced"

• "the clock has a walnut case"

• Casing vs case
• Casing vs shell

• Grammatical Case vs case
• Grammatical Case vs shell