abbreviation dept [noun] [C] - any of the divisions or parts of esp. a school, university, business or governmentMrs Wilson is the new head of the geography department/the department of geography.There will be a meeting of the accounts department on Friday.The furniture department is/are having a sale this week. [+ singular or plural verb]In Britain, the Department of Health and Social Security is/are responsible for paying money to the unemployed. [+ singular or plural verb](figurative informal) I thought that buying the tickets was your department (= area of responsibility), Brian.(humorous) He's a bit lacking in the brain/looks department (= is not intelligent/attractive).A department store is a large shop divided into several different parts, each of which sells different things.
Meaning of DEPARTMENT in English
Cambridge English vocab. Кембриджский английский словарь. 2012