Dŭck'-hawk, n.
n. (Ornith.) A kind of bird having a long, rounded, or even, tail, lengthened wings, and the head furnished with a circle of feathers resembling that of an owl. It inhabits marshy grounds, and preys upon other birds, fish, and small quadrupeds; — called also harpy, marsh-harrier, and moor-buzzard. Baird.