A statue of Theodore Roosevelt, the leader of the Bull Moose Party.
Bull Moose 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 member of the Progressive Party led by Theodore Roosevelt in the presidential campaign of 1912
Origin: so called from the symbol of the party
Bull Moose definition by American Heritage Dictionary
A member or supporter of the U.S. Progressive Party founded to support the presidential candidacy of Theodore Roosevelt in 1912.
Origin: From the party's emblem.