Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a large, white bear (Thalarctos maritimus) of coastal arctic regions, usually feeding on fish and seals
Used by arrangement with John Wiley & Sons, Inc.
nounThe 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.
A large, white-furred bear (Ursus maritimus or Thalarctos maritimus) living in Arctic regions. Also called white bear.