Brake 2 : (1) A device for slowing or stopping a moving part, usually a rotating component. (2) A system to reduce the speed of a vehicle, to stop the vehicle or to keep the vehicle stationary
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}