HEADSPRING
fountainhead, headspring, head
(noun) the source of water from which a stream arises; “they tracked him back toward the head of the stream”
Source: WordNet® 3.1
Etymology
Noun
headspring (plural headsprings)
A fountainhead; a source.
(figurative) A basis or foundation.
(gymnastics) 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.
A spring that sits at the top of a mechanism, pushing the internal parts inward.
Verb
headspring (third-person singular simple present headsprings, present participle headspringing, simple past and past participle headspringed)
(gymnastics) To perform a headspring.
Anagrams
• ring-shaped, springhead
Source: Wiktionary
Head"spring`, n.
Definition: Fountain; source.
The headspring of our belief. Stapleton.
Source: Webster’s Unabridged Dictionary 1913 Edition