Choke Manifold 4 : As assembly of valves, chokes, gauges, and lines used to control the rate of flow from the well when the blowout presenters are closed. (RP 53)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}