¹ case noun

• a situation or occurrence that is an instance or example of something
• a situation that is being investigated or managed by someone (such as a police officer or social worker) in an official way
• a form of a noun, pronoun, or adjective showing its relationship to other words in a sentence

² case noun

• a box or container to hold something
• the contents of a box

³ case verb

• to study or watch (a house, store, etc.) with plans to rob it—often used in the phrase case the joint