A cover or shell that protects or encloses something. The phone's casing was made of durable plastic to protect it from drops.
The outer layer or covering of a sausage. The chef carefully filled the sausage casing with the seasoned meat mixture.
A frame or enclosure for a window or door. The carpenter installed a new wooden casing around the window to enhance its appearance.
(Computing, typography) The choice or treatment of letter case in text. Consistent casing improves readability in source code.
(Oil & gas) A length or assembly of steel pipe inserted into a borehole to support its walls. The drilling crew ran the final casing after reaching total depth.
The act of observing or inspecting a place, especially a building, in preparation for a crime. The thieves' quiet casing of the jewelry store went unnoticed by the staff.