an island in the W Ross Sea, off the coast of Victoria Land: part of the Ross Dependency; location of Mt. Erebus.
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British Dictionary definitions for ross island
an island in the W Ross Sea: contains the active volcano Mount Erebus
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