rotula /rotˈū-lə/

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

• grainages
• grain alcohol
• grain alcohols
• grain amaranth
• graine
• grained
• grainer
• grainers
• graines
• grainier
• grainiest
• graining
• grainings
• grain leather
• grains
• grain side
• grains of Paradise
• grainy
• graip
• graips
• graith
• graithed
• graithing
• graithly
• hypothecating