Definitions
1.NounA part, portion, or subdivision.
2.NounA distinct course of life, action, study, or the like."Technical things are not his department; he's a people person."
3.NounA specified aspect or quality."The 2012 Boston Marathon was outstanding in the temperature department; runners endured temperatures of no less than 88 degrees Fahrenheit."
4.NounA subdivision of an organization.
One of the principal divisions of executive government"the Treasury Department; the Department of Agriculture; police department; the physics department; the history department; the math department"
5.NounOne of the principal divisions of executive government"the Treasury Department; the Department of Agriculture; police department"
6.NounOne of the divisions of instructions"the physics department; the history department; the math department"
7.NounA territorial division; a district; especially, in France, one of the districts into which the country is divided for governmental purposes, similar to a county in the UK and in the USA. France is composed of 101 départements organized in 18 régions, each department is divided into arrondissements, in turn divided into cantons.
8.NounA military subdivision of a country"the Department of the Potomac"
9.NounAct of departing; departure.