Sumatra definition by Webster's New World
large island of Indonesia, just south of the Malay Peninsula: 183,970 sq mi (476,480 sq km); pop. (with small nearby islands) 36,506,000
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- Sumatran adjective, noun
Sumatra definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An island of western Indonesia in the Indian Ocean south of the Malay Peninsula. Long an important stopping point on the trading route between China and India, the island came under Dutch control in the 17th century, becoming part of the Dutch East Indies in 1800. Sumatra joined newly independent Indonesia in 1949.
- Su·maˈtran adjective & n.