mainland definition by Webster's New World
the principal land or largest part of a continent or country, as distinguished from a relatively small island or peninsula
- mainlander noun
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- chief island of Japan
- largest of the Orkney Islands: c. 190 sq mi (492 sq km)
- largest of the Shetland Islands: 407 sq mi (1,054 sq km)
mainland definition by American Heritage Dictionary
The principal landmass of a continent.
- mainˈlandˌer noun