Duck

n.
  1. (Zool.) Any bird of the subfamily Anatinæ, family Anatidæ.
  2. A sudden inclination of the bead or dropping of the person, resembling the motion of a duck in water.
    3. Bombay duck (Zoöl.),
    a fish. See Bummalo.
    Buffel duck, Spirit duck .
    See Buffel duck.
    Duck ant (Zoöl.),
    a species of white ant in Jamaica which builds large nests in trees.
    Duck barnacle . (Zoöl.)
    See Goose barnacle.
    Duck hawk
    1. In the United States: The peregrine falcon.
    2. In England: The marsh harrier or moor buzzard.
    Duck mole (Zoöl.),
    a small aquatic mammal of Australia, having webbed feet and a bill resembling that of a duck (Ornithorhynchus anatinus). It belongs the subclass Monotremata and is remarkable for laying eggs like a bird or reptile; -- called also duckbill, platypus, mallangong, mullingong, tambreet, and water mole.
    To make ducks and drakes ,
    to throw a flat stone obliquely, so as to make it rebound repeatedly from the surface of the water, raising a succession of jets
    To play at ducks and drakes , with property,
    to throw it away heedlessly or squander it foolishly and unprofitably.
    Lame duck .
    See under Lame.