1. (v. i.) Act of departing; departure.

2. (n.) A part, portion, or subdivision.

3. (n.) A distinct course of life, action, study, or the like; appointed sphere or walk; province.

4. (v. i.) Subdivision of business or official duty; especially, one of the principal divisions of executive government; as, the treasury department; the war department; also, in a university, one of the divisions of instruction; as, the medical department; the department of physics.

5. (n.) A territorial division; a district; esp., in France, one of the districts composed of several arrondissements into which the country is divided for governmental purposes; as, the Department of the Loire.

6. (n.) A military subdivision of a country; as, the Department of the Potomac.

airspace ambit area arena bailiwick beat belt border borderland branch bureau circle circuit commissariat concern confines constablery constablewick constabulary continental shelf control corridor country demesne discipline district division domain dominion environs field ground heartland hemisphere hinterland judicial circuit jurisdiction land march milieu ministry municipality neighborhood office offshore rights orb orbit pale part parts place precinct precincts premises province purlieus quarter realm region responsibility round salient secretariat section segment sheriffalty sheriffwick shrievalty soil space sphere subdiscipline subdivision terrain territory three-mile limit twelve-mile limit unit vicinage vicinity walk worry zone