Deck Area, Cantilever : That portion of the main deck, cellar deck or sub-cellar deck area outside the boundary line of perimeter deck columns. (RP 2G)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}