#anseriform

• Anseriform — A palmiped bird of the order Anseriformes, structurally characterized by webbed feet adapted for swimming, a lamellate bill provided with marginal teeth for filtering food, and a dense plumage waterproofed by the secretions of the uropygial gland. As an adjective, the term defines any anatomical feature, skeletal structure, or behavioral particularity specific to this group of waterfowl, represented by geese, ducks, and swans.
• Anseriform bird — The feminine singular form of the adjective anseriform; it also functions as a noun designating a palmiped waterfowl of the order Anseriformes. In the context of ecology and structural taxonomy, the term qualifies an avian species, anatomical adaptation, or population adapted for wetland environments, morphologically anchored by the presence of interdigital membranes.
• Anseriform — The feminine form of the adjective anzeriform; (adjective) having the shape, appearance, or anatomical features of a goose; (noun, in the plural) a major order of waterfowl (Anseriformes) comprising swans, geese, and ducks, adapted to aquatic life via webbed feet and waterproof plumage.