A wrinkled hornbill.Licensed from iStockPhoto
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of a family (Bucerotidae) of large, tropical, Old World coraciiform birds with partly united toes and a huge, curved bill, often with a bony protuberance
Used by arrangement with John Wiley & Sons, Inc.
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.
Any of various tropical Old World birds of the family Bucerotidae, having a very large bill often surmounted by an enlarged protuberance at the base.