Hen

n.
Hen clam
  1. A clam of the Mactra, and allied genera; the sea clam or surf clam. See Surf clam.
  2. A California clam of the genus Pachydesma.
    3. 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 (Buteo lineatus), and the goshawk.