Police department

A department store is a retail store that includes many specialized departments such as clothing or household items.

Part of an institution such as a commercial company (see departmentalization) or a non-profit organization such as a university.

Department (Swiss government)

Department (US government)

Department (country subdivision)- a geographical and administrative division within a country.

A naval Department is a section devoted to one of several major tasks.

Academic department

A government department in Australia, Canada, Switzerland and the United States, corresponds to a ministry in other systems:

"Department" is a term used by the U.S. Army, mostly prior to World War I.