Pronunciation: (bak'ped"l),[key] —v.i.,-aled, -al•ing or (esp. Brit.)-alled, -al•ling. 1. to retard the forward motion by pressing backward on the pedal, esp. of a bicycle with coaster brakes.
2. to retreat from or reverse one's previous stand on any matter; shift ground: to back-pedal after severe criticism. 3. Boxing.to retreat from an opponent, esp. by stepping rapidly backward.