duckbill

Noun duckbill has 2 senses

• duckbill(n = noun.animal) paddlefish, polyodon spathula - primitive fish of the Mississippi valley having a long paddle-shaped snout;
is a kind of ganoid, ganoid fish
is a member of genus polyodon, polyodon

• duckbill(n = noun.animal) duck-billed platypus, duckbilled platypus, ornithorhynchus anatinus, platypus - small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae;
is a kind of egg-laying mammal, monotreme
is a member of genus ornithorhynchus, ornithorhynchus

Adjective duckbill has 1 sense

• duckbill(s = adj.all) duck-billed - having a beak resembling that of a duck; "a duck-billed dinosaur"