pack·ing 
(păkĭng)
(păkĭng)n.
1. The act or process of one that packs.
2. The processing and packaging of manufactured products, especially food products.
3. A material used to prevent leakage or seepage, as around a pipe joint.
4.
a. The insertion of gauze or other material into a body cavity or wound for therapeutic purposes.
b. The material so used; a pack.