a large, fish-eating eagle, Haliaeetus leucocephalus, of the U.S. and Canada, having dark golden-brown back and wings, and white plumage on the head and tail in the adult: some recently endangered populations are now recovering.
Compare American eagle.
Origin of bald eagle
An Americanism dating back to 1680–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for bald eagle
a large eagle, Haliaeetus leucocephalus, of North America, having a white head and tail, a yellow bill, and dark wings and body. It is the US national bird
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