The direction along a meridian 90\u00b0 counterclockwise from east; the direction to the left of sunrise. The cardinal point on the mariner's compass located at 0\u00b0. An area or region lying in the north. The northern part of the earth. The northern part of a region or country. The northern part of the United States, especially the states that fought for the Union in the Civil War. To, toward, of, facing, or in the north. Originating in or coming from the north: a cold north wind. In, from, or toward the north.