prescript /ˈpɹiːskɹɪpt/noun 2adjective 1forms 1 noun2 •Something prescribed; a rule, regulation or dictate.By his prescript a sanctuary is framed Of cedar — 1667 •(no longer used) A medical prescription.Nor did he ever with so much regret submit unto any prescript, as when his physicians, after his great fever that he had in Oxford , required him to eat suppers. — 1661 adjective1 •Directed; prescribed. formsprescripts