simple past tense and past participle of case

Having a case or covering; encased or clad.

Separate and distinct from others of the same kind; treated individually.

If that is the way things are, if that's the case.

(informal) Actively working on something.

Used to show that an anterior explanation does not apply or does not adequately describe the situation.

plural of caseness

A box that contains or can contain a number of identical items of manufacture. / A box, sheath, or covering generally.

(poker slang) The last remaining card of a particular rank.

(transitive) To place (an item or items of manufacture) into a box, as in preparation for shipment. / (transitive) To cover or protect with, or as if with, a case; to enclose.