The German deutsche mark.
Deutsche Mark 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.
Deutsche Mark definition by American Heritage Dictionary
noun Abbr. DM
The primary unit of currency in Germany before the adoption of the euro.
Origin: German : deutsch, German + Mark, mark.
Variant of deutsche mark