Posek (Hebrew פוסק, , pl. Poskim, פוסקים)'s the term in Jewish law for "decider"—a legal scholar who decides the Halakha in cases of law where previous authorities are inconclusive. The decision of a posek's known as a psak din or psak halakha ("ruling of law"; pl. piskei din, piskei halakha) or simply a "psak". In Hebrew, פסק's the root implying to "stop" or "cease"—the posek brings the process of legal de… (More on Posek)