Noun
the northwestern region of the United States
Source: WordNetIn 2011, the Bonneville Power Administration in Northwestern United States created an experimental program to absorb excess wind and hydro power generated at night or during stormy periods that are accompanied by high winds. Source: Internet
President Calvin Coolidge with a Native delegation, possibly from the Plateau area in the Northwestern United States, near the South Lawn of the White House in 1925, the year after the passage of the Snyder Act. Source: Internet