Thurston Island
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Thurs·ton Island
(thûr′stən) An island off Antarctica between the Bellingshausen and Amundsen Seas. Before 1960 it was thought to be a peninsula of the mainland.
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.