stifftail 
(also stiff-tailed duck)
noun
A diving duck with a stiff tail of pointed feathers, often held up at an angle.
- Family Anatidae: four genera, in particular Oxyura, and several species, e.g. the ruddy duck.
- Some of his books are technical surveys of groups such as owls, hummingbirds, and stifftail ducks.
- Modern authors accept that we are dealing with two species of stifftail in Europe.
- Grandisonian
- grandize
- grand jeté
- Grand Junction
- grand jury
- grandkid
- grand larcenist
- grand larceny
- grandling
- grandly
- grandma
- grand mal
- grandmama
- grandmamma
- grandmammy
- grand manner
- Grand Marnier
- grand master
- grand masterdom
- grandmastership
- grandmaternal
- Grand Medicine Society
- grandmom
- Grand Monarque
- robbin