somersault

Universal Words noun, verb noun a movement in which sb turns over completely, with their feet over their head, on the ground or in the air: to do / turn a somersault * He turned back somersaults. * (figurative) Her heart did a complete somersault when she saw him. verb [V] [usually +adv./prep.] to turn over completely in the air: The car hit the kerb and somersaulted into the air.