rotula /rotˈū-lə/

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

• nettiest
• netting
• netting-needle
• netting-needles
• nettings
• nettle
• nettle-cell
• nettle-cells
• nettle-cloth
• nettled
• nettle-fish
• nettle-fishes
• nettlelike
• nettle rash
• nettle rashes
• nettles
• nettlesome
• nettle-tree
• nettle-trees
• nettlier
• nettliest
• nettling
• nettly
• netts
• netty