white sauce 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 cooked sauce for vegetables, meat, fish, etc. made of fat or butter, flour, milk, cream, or stock, and seasoning
white sauce definition by American Heritage Dictionary
A sauce made with butter, flour, and milk, cream, or stock, used as a base for other sauces.