D defs.my
Entry 1 sense Webster, 1913

Somersault

/sŭm'-ẽrs-ôltˌ/ · Som·er·sault · IPA /ˈsʌmɚˌsɔlt/
01 n. A leap in which a person turns his heels over his head and lights upon his feet; a turning end over end.
  1. 1.
    A leap in which a person turns his heels over his head and lights upon his feet; a turning end over end.
    “Now I'll only Make him break his neck in doing a sommerset.” Beau. & Fl.