"battement frappé [bat-MAHN fra-PAY]: Struck battement. An exercise in which the dancer forcefully extends the working leg from a cou-de-pied position to the front, side or back.This exercise strengthens the toes and insteps and develops the power of elevation. It is the basis of the allegro step, the jeté."
Ballet Dictionary - ABT: https://www.abt.org/explore/learn/ballet-dictionary/