1. Small, densely furred aquatic monotreme of Australia and Tasmania with a broad bill, tail, and webbed feet; only species in the family Ornithorhynchidae
   "The duckbill uses its bill to detect electrical signals from prey";
   - platypus, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus
    
2. Primitive fish of the Mississippi valley having a long paddle-shaped snout
   "The duckbill uses its distinctive snout to detect plankton in the water";
   - paddlefish, Polyodon spathula

1. Having a beak resembling that of a duck
   "a duckbill dinosaur";
   - duck-billed

Derived forms: duckbills

See also: beaked

Type of: egg-laying mammal, ganoid, ganoid fish, monotreme

Part of: genus Ornithorhynchus, genus Polyodon, Ornithorhynchus, Polyodon

Encyclopedia: Duckbill