Hen

* Used adjectively or in combination to indicate the female; as, hen canary, hen eagle, hen turkey, peahen.

Hen clam. (Zoöl.) (a) A clam of the Mactra, and allied genera; the sea clam or surf clam. See Surf clam. (b) A California clam of the genus Pachydesma. -- Hen driver. See Hen harrier (below). -- Hen harrier (Zoöl.), a hawk (Circus cyaneus), found in Europe and America; -- called also dove hawk, henharm, henharrow, hen driver, and usually, in America, marsh hawk. See Marsh hawk. -- Hen hawk (Zoöl.), one of several species of large hawks which capture hens; esp., the American red-tailed hawk (Buteo borealis), the red-shouldered hawk (B. lineatus), and the goshawk.