Rasa- [ruhs-uh] [Eng. Ras-uh]- noun [Origin: Sanskrit]
Sentiment or emotion; love; pleasure; charm; rapport; resonance; harmony; the first note (in a musical scale); nectar; flavor or taste (in food, or Hindu aesthetics), sap or juice of the body, immune system, essence; semen; substances like mercury, or any mineral metallic salt; the likes of what homeopathy uses in very small dilutions to heal.
