1. Small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
   - platypus, duckbill, duckbilled platypus, Ornithorhynchus anatinus

Derived forms: duck-billed platypuses

Type of: egg-laying mammal, monotreme

Part of: genus Ornithorhynchus, Ornithorhynchus

Encyclopedia: Duck-billed platypus

• hydrangea family
• Hydrangea macrophylla hortensis
• Hydrangea paniculata
• Hydrangea petiolaris
• Hydrangeaceae
• hydrant
• hydranth
• hydrargyrum
• hydrarthrosis
• Hydrastis
• Hydrastis Canadensis
• hydrate
• hydrated
• hydrated aluminium oxide
• hydrated aluminum oxide
• hydrated lime
• hydrated oxide
• hydration
• hydraulic
• hydraulic brake
• hydraulic brake cylinder
• hydraulic brakes
• hydraulic cement
• hydraulic engineering
• hydraulic press