Somersault

n.

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.

Noun	1.	somersault - an acrobatic feat in which the feet roll over the head (either forward or backward) and return Synonyms: flip, somersaulting
Verb	1.	somersault - do a somersault

be lost, capsizal, capsize, culbute, founder, go down, keel, keel over, overset, overthrow, overturn, pitchpole, revolution, scuttle, sink, somerset, spill, subversion, turn over, turn turtle, turnover, upset, upset the boat, upturn