the land and waters belonging to or under the jurisdiction of a state, sovereign, etc.
any separate tract of land belonging to a state.
(often initial capital letter) Government. a region or district of the U.S. not admitted to the Union as a state but having its own legislature, with a governor and other officers appointed by the president and confirmed by the Senate. some similar district elsewhere, as in Canada and Australia.
a field or sphere of action, thought, etc.; domain or province of something.