department
n. countablen. a specific part of a large organization, like a business, university, or government. It can also be a section of a large store that sells one type of product.
n. a distinct division of a large organization, such as a government, university, or business, responsible for a specific area of activity. Also refers to a specialized section of a large retail store.
She works in the marketing department.
If you need to buy a new sofa, you should visit the furniture department on the third floor.
The university's history department recently secured a significant grant to digitize its collection of medieval manuscripts for public access.
From Middle English departement (“ceasing, end”), from Middle French département. Later senses borrowed from Modern French département. Doublet of département.
Often used with the preposition 'in' when describing where someone works or where an item is located.