Macdonald definition by Webster's New World
Macdonald, Sir John Alexander 1815-91; Cdn. statesman, born in Scotland
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
MacDonald, (James) Ramsay 1866-1937; Brit. statesman & Labour Party leader: prime minister (1924; 1929-35)
Macdonald definition by American Heritage Dictionary
, Sir John Alexander 1815-1891.
Canadian politician and the first prime minister of the Dominion of Canada (1867-1873 and 1878-1891). He is considered the organizer of the Canadian confederation, established in 1867.