1. A line generated by a point on one figure rolling around a second figure
   - roulette

Type of: curve, curved shape

• genus Aethionema
• genus Aethusa
• genus Aetobatus
• dryness
• dryopithecine
• Dryopithecus
• Dryopithecus Rudapithecus hungaricus
• Dryopteridaceae
• Dryopteris
• Dryopteris dilatata
• Dryopteris filix-mas
• Dryopteris fragrans
• Dryopteris goldiana
• Dryopteris hexagonoptera
• Dryopteris marginalis
• Dryopteris noveboracensis
• Dryopteris oreades
• Dryopteris oreopteris
• Dryopteris phegopteris
• Dryopteris thelypteris
• Dryopteris thelypteris pubescens
• drypis
• drywall
• Ds
• dscDNA