Webster’s Revised Unabridged Dictionary · 1913
Bald eagle
Bald′ ea′gle (ba̤ld′ē′g'l). (Zoöl.) The white-headed eagle (Haliæetus leucocephalus) of America. The young, until several years old, lack the white feathers on the head.
☞ The bald eagle is represented in the coat of arms, and on the coins, of the United States.