somersaulting

/S AH1 M ER0 S AO0 L T IH0 NG/
verb
  1. 1

    To perform a somersault.

    โ€œThe performer somersaulted all the way across the stage.โ€

noun
  1. 1

    An instance of performing a somersault.

Source: https://en.wiktionary.org/wiki/somersault, https://en.wiktionary.org/wiki/somersaulting