Constitution of the United States of America, the fundamental law of the U.S. federal system of government and a landmark document of the Western world. The oldest written national constitution in use, the Constitution defines the principal organs of government and their jurisdictions and the basic rights of citizens. Constitutional Convention.
verb (used with object), urbanized, urbanizing. 1. to make or cause to become urban, as a locality. Also, especially British, urbanise.
the act or fact of urbanizing, or taking on the characteristics of a city: Urbanization has led to more air pollution and increasing childhood asthma. Also, especially British, urbanisation.