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
   - duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus

Derived forms: platypuses

Type of: egg-laying mammal, monotreme

Part of: genus Ornithorhynchus, Ornithorhynchus

Encyclopedia: Platypus

• Ariocarpus fissuratus
• Ariomma
• ariose
• arioso
• Arisaema
• Arisaema atrorubens
• Arisaema dracontium
• Arisaema triphyllum
• Arisarum
• Arisarum vulgare
• arise
• arishth
• arista
• Aristarchus
• Aristarchus of Samos
• Aristide Maillol
• Aristocort
• aristocracy
• aristocrat
• aristocratic
• aristocratical
• aristocratically
• Aristolochia
• Aristolochia clematitis
• Aristolochia durior