Buch·an(bŭk′ən, bŭKH′-), Sir John First Baron Tweedsmuir. 1875-1940.
British writer and government official who was governor-general of Canada (1935-1940) but is best known for his adventure novels, such as The Thirty-Nine Steps (1915).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.