rotula /rotˈū-lə/

1. The knee-cap (anatomy)
2. A radial piece of Aristotle's lantern in sea-urchins (zoology)

• silurists
• siluroid
• silva
• silvae
• silvan
• silvas
• silvatic
• silver
• Silver Age
• silverback
• silverbacks
• silver-bath
• silver-baths
• silver-beater
• silver-beaters
• silver bell
• silver bells
• silverbill
• silverbills
• silver birch
• silver birches
• silver bullet
• silver bullets
• silvered
• silvereye