(often initial capital letters) the wife of the president of the U.S. or of the governor of a state.
the wife of the head of any country:
the First Lady of Brazil.
the foremost woman in any art, profession, or the like:
first lady of the American theater.
noun (often capitals)
(in the US) the wife or official hostess of a chief executive, esp of a state governor or a president
a woman considered to be at the top of her profession or art: the first lady of jazz
noun, Physics. 1. See under . noun, Physics. 1. any of three laws of classical mechanics, either the law that a body remains at rest or in motion with a constant velocity unless an external force acts on the body (first law of motion) the law that the sum of the forces acting on a […]
noun 1. See under (def 1). noun 1. any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is […]
noun 1. . noun 1. a lien having priority over others attached to the same property.
noun, Military. 1. an officer ranking next above second lieutenant and next below a captain. noun 1. the officer responsible for the upkeep and maintenance of a warship, esp the executive officer of a smaller ship in the Royal Navy 2. an officer holding commissioned rank in the US Army, Air Force, Marine Corps, or […]