Word of the Week: polymath (PŎL-ē-măth) Definition (Noun) A person of great or varied learning; a person acquainted with many fields of study; an accomplished scholar. In Context "Possibly the last true polymath, von Neumann made a brilliant career – half a dozen brilliant careers – by plunging fearlessly and frequently into any area where highly abstract mathematical thought could provide fresh insights." Sylvia Nasar, A Beautiful Mind: A Biography of John Forbes Nash, Jr., Winner of the Nobel Prize in Economics, 1994, 1998.