A slice of American cheese on bread.
American cheese 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.
a process cheese, yellow to orange in color and usually made from Cheddar cheese, popular in the U.S.
American cheese definition by American Heritage Dictionary
A smooth, mild, white to yellow cheddar.