noun
also harpy
( -es )
: either of two large eagles:
a. : a largely black-and-white eagle ( Harpia harpyja ) having a double crest on the head and remarkably strong bill and claws, found in northern So. and Central America where it is believed to prey on large forest birds and various mammals
b. : a rare eagle ( Pithecophaga jefferyi ) of the Philippines held to live chiefly on monkeys