Mindanao[min′də no̵u′, -nä′ō]
Mindanao 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.
2d largest island of the Philippines, at the S end of the group: 36,537 sq mi (94,630 sq km)
Mindanao definition by American Heritage Dictionary
An island of the southern Philippines northeast of Borneo. The Mindanao Sea borders the island on the west.