from The American Heritage® Dictionary of the English Language, 4th Edition
- Macdonald, 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A surname.
A spelling variant of MacDonald, from Scottish Gaelic Mac Dhòmhnaill, equivalent to "son of Donald". (Wiktionary)