\Som"er*sault\, Somerset \Som"er*set\, n. [F.
soubresaut a jump, leap, OF. soubresault, It. soprassalto an
overleap, fr. L. supra over + saltus a leap, fr. salire to
leap; or the French may be from Sp. sobresalto a sudden
asault, a surprise. See {Supra}, and Salient.]
A leap in which a person turns his heels over his head and
lights upon his feet; a turning end over end. [Written also
{summersault}, {sommerset}, {summerset}, etc.] ``The
vaulter's sombersalts.'' --Donne.

      Now I'll only Make him break his neck in doing a
      sommerset.                               --Beau. & Fl.