Webster's Revised Unabridged Dictionary · 1913

Harpy

Harpy (har"py) , noun

[French harpie, Latin harpyia, Greek "a`rpyia, from the root of "arpa`zein to snatch, to seize. Compare Rapacious.]

1.
(Greek Mythology) A fabulous winged monster, ravenous and filthy, having the face of a woman and the body of a vulture, with long claws, and the face pale with hunger. Some writers mention two, others three.
Both table and provisions vanished quite. With sound of harpies' wings and talons heard. — Milton
2.
One who is rapacious or ravenous; an extortioner.
The harpies about all pocket the pool. — Goldsmith
3.
(a) (Zoology) The European moor buzzard or marsh harrier (Circus aeruginosus).
(b)
(Zoology) A large and powerful, double-crested, short-winged American eagle (Thrasaetus harpyia). It ranges from Texas to Brazil.
Collocations (2)
Harpy bat (Zoology) , (a) An East Indian fruit bat of the genus Harpyia (esp. Harpyia cephalotes), having prominent, tubular nostrils. (b) A small, insectivorous Indian bat (Harpiocephalus harpia).
Harpy fly (Zoology) , the house fly.