Before the introduction of the euro, francs were also used in France, Belgium and Luxembourg, while Andorra and Monaco accepted the French franc as legal tender (Monegasque franc).
Inside the caliper is a brake pad, a small block of friction material backed with a metal plate. When you step on your brake pedal, pistons inside the caliper cause it to apply pressure to the brake pad which squeezes the rotor, causing the car to slow or stop.
Medical Definition of caliper. 1  1: any of various measuring instruments having two usually adjustable arms, legs, or jaws used to measure thickness, diameter, and distance between surfacesâusually used in plural a pair of calipers. 2  2: caliper splint.