Definition of "oleo" []

• Margarine. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "But one thing about oleo is that it is a substitute for butter and, Mr. President, here we get to our ground for making merry, for I believe this to be the first time in the history of Canada that there has been a nation-wide rejoicing over no more substantial cause than the fact that a new substitute for something has been made accessible."
• "It is usually made by churning soft beef fat (called oleo oil) and neutral"
• "My grandmother used to write "oleo" on her recipe cards, too."