the fountainhead or source of a stream.
the source of anything.
an acrobatic feat similar to a handspring, except that the head as well as the hands touch the surface before the spring back to a standing position.
Origin of headspring
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for headspring
Historical Examples of headspring
Which of them that you are the only “headspring of all laws”?The Apology of the Church of England
a spring that is the source of a stream
a spring using the head as a lever from a position lying on the ground
rare a source
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012