WordNet
purchasing department
n. the division of a business responsible for purchases
Usage examples of "purchasing department".
I continued at my job in the purchasing department of the mill and Don worked in shipping, some distance away in another building.
He left his office and hurried upstairs to the purchasing department, where he spent more than two hours making notes in the catalogue library and checking on the availability of major items.
Wherefore SSE's purchasing department suggested to the Galaxian Society that negotiations be opened concerning licenses, franchises, royalties, and so on.