adjective having a beak resembling that of a duck.
— synonyms: duck-billed
noun primitive fish of the Mississippi valley having a long paddle-shaped snout.
— synonyms: paddlefish, Polyodon_spathula
noun small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet.
— synonyms: platypus, duckbilled_platypus, duck-billed_platypus, Ornithorhynchus_anatinus