Main Entry: cas·ing

Pronunciation: \ˈkā-siŋ\

Function: noun

Date: 1791

1 : something that encases : material for encasing: as a : an enclosing frame especially around a door or window opening b : a metal pipe used to case a well c : ⁴tire 2 d : a membranous case for processed meat
2 : 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