A man holding an oilcan.
oilcan 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 can for holding oil, esp. one with a spout, used for lubricating machinery, etc.
oilcan definition by American Heritage Dictionary
A can for oil, especially a can with a spout constructed to release oil drop by drop, as for lubricating machinery. Also called oiler.