A speed governor is a device that controls or limits the speed of a vehicle. It helps prevent the vehicle from going too fast, ensuring safety and adherence to speed limits. Full definition
The 3 - speed governor with reverse combined with the excellent disc braking system keeps this one nice and safe, too. (geekwrapped.com)
Assisted in the Relocation and re-cabling of an over speed governor from inside the trunk to inside the machinery room. (jobhero.com)
The 750Li is deceptively fast - despite the howl of wind noise entering the cabin around the A-pillars, the 155 - mph speed governor interrupts as unexpectedly as an alarm clock mistakenly set for 4 a.m.. (automobilemag.com)