Other forms: encased; encasing; encases
To encase something is to cover it or close it off, as if you were putting it in a shell, a coating, or a box. Some cheesemakers encase each wheel of cheese in wax.
When you're packing your lunch, you might encase a brownie in wax paper, or encase a sandwich in a plastic container. A hug can encase you in warmth and affection, and the dark can even seem to encase you on a moonless night in the country. Encase combines the prefix en-, "make" or "put in," and case, "container" or "receptacle," from the Latin root capsa, "box."