1. the original sources or primary origins of something
Usage: plural of fountainhead
2. the springs or sources from which streams flow
Usage: literal sense; plural of fountainhead

Examples

• The ancient Greek philosophers are considered the fountainheads of Western thought.
• These universities serve as fountainheads of scientific research and innovation.
• The mountain springs are the fountainheads of several major rivers in the region.
• Jazz musicians often trace their art back to the fountainheads in New Orleans.
• The library contains manuscripts from the fountainheads of Renaissance literature.
• Explorers searched for the fountainheads of the Nile River for centuries.