1A former duchy of western Germany, centred on the small town of Nassau, from which a branch of the House of Orange arose. It corresponds to parts of the present-day states of Hesse and Rhineland-Palatinate.
2A port on the island of New Providence, capital of the Bahamas; population 240,000 (est. 2007).
An eighteen-hole match in which the players bet on the first nine holes, the second nine holes, and the entire round.
Early 20th century from the name of Nassau Country Club in Nassau County, Long Island, New York State.