CASING

verb

1. To propose hypothetical cases.

verb

1. To place (an item or items of manufacture) into a box, as in preparation for shipment.
2. To cover or protect with, or as if with, a case; to enclose.
3. To survey (a building or other location) surreptitiously, as in preparation for a robbery.

noun

1. That which encloses or encases.
2. The decorative trim around a door or window.
3. A metal pipe used to line the borehole of a well.