Below are some definittions of the various wedding gown waistlines as well as a description of each.
All photos are courtesy of Alfred Angelo and are used by permission.
A dropped waist style that starts at or below the natural waistline, then dips in the center of the gown in a "V" shape.
A waistline that falls below the natural waistline, ending at the hip area.
This waistline begins just below the bust area.
This waistline falls at the natural waistline area.