Any considerable and connected part of a space or surface; specifically, a tract of land or sea of considerable but indefinite extent; a country; a district; in a broad sense, a place without special reference to location or extent but viewed as an entity for geographical, social or cultural reasons.
User Defined Definitions
"the extended spatial location of something"
"a part of an animal that has a special function or is supplied by a given artery or nerve"
"a large indefinite location on the surface of the Earth"
"a knowledge domain that you are interested in or are communicating about"