packinghouse \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\noun orpacking plant 1.: an establishment for the slaughtering, processing, and packing of livestock into meat, meat products, and by-products (as hides, soap, glue) 2.: an establishment for the processing and packing of foodstuffs < an apple packinghouse — A.W.McKay & M.A.Abrahamsen >