Meaning of duckbill

Definition of duckbill

(adj) having a beak resembling that of a duck; "a duck-billed dinosaur"
(noun) primitive fish of the Mississippi valley having a long paddle-shaped snout
small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae

Other information on duckbill

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