safety stop

noun

Definition of safety stop

  1. :  any of various devices to stop an undesirable motion or action: such as a :  an attachment for an elevator to prevent accidental falling b :  a device that closes a supply valve and stops an engine in case of accident to the governor belt c :  a contrivance to prevent a pulley tackle from overhauling d :  a device in a lathe to prevent a carriage from colliding with the headstock e :  a system for stopping trains automatically if they try to pass a stop signal f :  a stop motion for textile machinery

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