1som·er·sault 
/ˈsʌmɚˌsɑ:lt/ noun
plural som·er·saults /ˈsʌmɚˌsɑ:lt/ noun [count] : a forward or backward movement of your body on the ground or in the air that is made by bringing your feet over your head
▪ The gymnast turned/performed/did a somersault. ▪ a forward/backward somersault — sometimes used figuratively ▪ His heart did a somersault when he heard the news.
▪ The gymnast turned/performed/did a somersault. ▪ a forward/backward somersault — sometimes used figuratively ▪ His heart did a somersault when he heard the news.
