'Headspring' definitions:

Definition of 'headspring'

(from WordNet)
noun
The source of water from which a stream arises; "they tracked him back toward the head of the stream" [syn: fountainhead, headspring, head]

Definition of 'Headspring'

From: GCIDE
  • Headspring \Head"spring`\ (h[e^]d"spr[i^]ng`), n. Fountain; source. [1913 Webster]
  • The headspring of our belief. --Stapleton. [1913 Webster]