casÂ·cade. n. 1. A waterfall or a series of small waterfalls over steep rocks. 2. Something, such as lace, thought to resemble a waterfall or series of small waterfalls, especially an arrangement or fall of material. 3. A heavy, uncontrolled outpouring: a cascade of abusive comments. 4.
American Express. For the upcoming film, see American Express (film). The American Express Company, also known as Amex, is an American multinational financial services corporation headquartered in Three World Financial Center in New York City. The company was founded in 1850, and is one of the 30 components of the Dow Jones Industrial Average.
American Express Card. DEFINITION of 'American Express Card'. A credit, charge or prepaid card branded by American Express Company, a major payment card and travel services company. American Express cards, also called Amex cards, are available to individuals, small businesses and corporate consumers in the United States and around the world.