noun

• A part, portion, or subdivision.
• A distinct course of life, action, study, or the like.
• A specified aspect or quality.
• A subdivision of an organization.
• (often in proper names) One of the principal divisions of executive government
• (in a university) One of the divisions of instructions
• A 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.
• (historical) A military subdivision of a country
• (obsolete) Act of departing; departure.