anseriformes

from The Century Dictionary.

• In Garrod's classification, a series of birds approximately equivalent to the Linnean Anseres. See Anseres, 1.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) A division of birds including the geese, ducks, and closely allied forms.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun ducks; geese; swans; screamers