Doubleday 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.
Doubleday, Abner 1819-93; U.S. army officer: traditionally regarded as the inventor of baseball
Doubleday definition by American Heritage Dictionary
, Abner 1819-1893.
American army officer traditionally considered the inventor of baseball, although a game similar to baseball predates him.