Dictionary 1. (n.) A half sphere; one half of a sphere or globe, when divided by a plane passing through its center.2. (n.) Half of the terrestrial globe, or a projection of the same in a map or picture. 3. (n.) The people who inhabit a hemisphere. Thesaurus ambit arena bailiwick beat border borderland circle circuit demesne department domain dominion field fifty percent fifty-fifty half half-and-half judicial circuit jurisdiction march mediety moiety orb orbit pale precinct province realm round semicircle semisphere sphere walk |