Alexander I Island
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 British Antarctic Territory in Bellingshausen Sea off the coast of the Antarctic Peninsula. Originally thought to be part of the Antarctic landmass, it was proved to be an island by a U.S. exploratory team in 1940.