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polar bear

American  

noun

  1. a large white bear, Ursus maritimus, of the Arctic regions.


polar bear British  

noun

  1. a white carnivorous bear, Thalarctos maritimus, of coastal regions of the North Pole

"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

Etymology

Origin of polar bear

First recorded in 1775–85