a base in the Antarctic, on the Bay of Whales, S of the Ross Sea: established by Adm. Richard E. Byrd of the U.S. Navy in 1929; used for later Antarctic expeditions.
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British Dictionary definitions for little america
originally the chief US base in the Antarctic, on the Ross Ice Shelf: first established by Admiral Richard E. Byrd (1928); used for polar exploration. It closed in the 1960s
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012