2. A division of territory; a defined portion of a state, town, or city, etc, made for administrative, electoral, or other purposes; as, a congressional district, judicial district, land district, school district, etc. To exercise exclusive legislation . . . Over such district not exceeding ten miles square. (The constitution of the united states)
3. Any portion of territory of undefined extent; a region; a country; a tract. These districts which between the tropics lie. (Blackstone) Congressional district. See Congressional. District attorney, the prosecuting officer of a district or district court. District court, a subordinate municipal, state, or united states tribunal, having jurisdiction in certain cases within a judicial district. District judge, one who presides over a district court. District school, a public school for the children within a school district.