packing

noun

1. the act or process of a person or thing that packs; specif.,
   1. the large-scale, esp. commercial, processing and packaging of meats, fruits, or vegetables
   2. Med. the filling of a wound or cavity with gauze, etc. to permit drainage and prevent closure
2. any material used to pack, as excelsior, cardboard, etc. used in packages to cushion and brace the contents, a substance put around valves to make them watertight, etc.