Meaning of CASING in English

CASING

noun Date: 1791 something that encases ; material for en~: as, an enclosing frame especially around a door or window opening, a metal pipe used to case a well, tire IV,2, a membranous case for processed meat, a space formed between two parallel lines of stitching through at least two layers of cloth into which something (as a rod or string) may be inserted

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.