plural noun An·ser·i·for·mes

Definition of Anseriformes

  1. :  an order of birds comprising the ducks, geese, swans, and mergansers and the screamers — see anseres

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Origin and Etymology of anseriformes

New Latin, from Anser + -iformes

First Known Use: 1873

Seen and Heard

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a trip made at another's expense

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