Mellon definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Mellon, Andrew William 1855-1937; U.S. financier: secretary of the treasury (1921-32)
Mellon definition by American Heritage Dictionary
, Andrew William 1855-1937.
American financier and public official who served as U.S. secretary of the treasury (1921-1932) and endowed the National Gallery of Art in Washington, D.C.