1. Harmless European snake with a bright yellow collar; common in England
   - grass snake, ringed snake, Natrix natrix 
2. Any of numerous small nonvenomous North American snakes with a yellow or orange ring around the neck
   - ringneck snake, ring-necked snake

Derived forms: ring snakes

Type of: colubrid, colubrid snake, water snake

Part of: Diadophis, genus Diadophis

• Rheum palmatum
• Rheum rhabarbarum
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