A grease monkey at work.Licensed from iStockPhoto
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Slang a mechanic, esp. one who works on automobiles or airplanes
Used by arrangement with John Wiley & Sons, Inc.
noun SlangThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A mechanic, especially one who works on motor vehicles or aircraft.