headspring

Etymology
From.

Noun

 * 1) A fountainhead; a source.
 * 2)  A basis or foundation.
 * 3)  A move in which the gymnast places both hands on the mat with the top of the head about 6 inches in front, pushes off with the hands while flipping the legs overhead, and lands on the feet.
 * 4) A spring that sits at the top of a mechanism, pushing the internal parts inward.
 * 1)  A move in which the gymnast places both hands on the mat with the top of the head about 6 inches in front, pushes off with the hands while flipping the legs overhead, and lands on the feet.
 * 2) A spring that sits at the top of a mechanism, pushing the internal parts inward.
 * 1)  A move in which the gymnast places both hands on the mat with the top of the head about 6 inches in front, pushes off with the hands while flipping the legs overhead, and lands on the feet.
 * 2) A spring that sits at the top of a mechanism, pushing the internal parts inward.
 * 1) A spring that sits at the top of a mechanism, pushing the internal parts inward.
 * 1) A spring that sits at the top of a mechanism, pushing the internal parts inward.
 * 1) A spring that sits at the top of a mechanism, pushing the internal parts inward.

Verb

 * 1)  To perform a headspring.