subdepartment
/ˌsʌbdɪˈpɑrtmənt/
noun
- A smaller division within a larger department, especially in a company, organization, or store.
- Each subdepartment in the university's biology department focuses on a different area of research.
- The shoe subdepartment is located on the third floor of the store.
- She was promoted to manage the customer service subdepartment of the insurance company.