westerner Definition

a native or inhabitant of the West; especially : a native or resident of the western part of the U.S.

one advocating the adoption of western European culture especially in 19th century Russia

region of indefinite boundaries in the north central U.S. including the area around the Great Lakes and the upper Mississippi River valley —often considered to include the area from Michigan, Ohio, and sometimes Kentucky on the east to North Dakota, South Dakota, Nebraska, and Kansas on the west