casing
cas.ing \'ka--sin\ n : something that encases : material for encasing : as : an enclosing frame esp. around a door or window opening : a metal pipe used to case a well : TIRE : a membranous case for processed meat
cas.ing \'ka--sin\ n : something that encases : material for encasing : as : an enclosing frame esp. around a door or window opening : a metal pipe used to case a well : TIRE : a membranous case for processed meat