Added 9 October 2026 anseriformes noun Categories: AnimalsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about anseriformes at Wordnik → Where our words come from → Ducks; geese; swans; screamers. Related Words: waterfowlfowltadornagoosebrantacardinalaccipitridaecharadriiformes Back to today's word