A mechanical brake operated by hand, typically used for parking or emergency stopping. Also called an emergency brake or parking brake.
Compound word from 'hand' (Old English hand) and 'brake' (Middle Dutch braeke meaning 'flax brake'). The brake meaning evolved from the idea of breaking or crushing to stopping motion.
The handbrake represents a fascinating backup philosophy in engineering - the idea that manual control should always be available when automated systems fail. This concept extends far beyond cars to aircraft, trains, and elevators, reflecting deep human distrust of purely automatic systems.
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