rotula /rotˈū-lə/

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

• nutcracker
• nutcracker man
• nutcrackers
• nut cutlet
• nut cutlets
• nutgall
• nutgalls
• nut-grass
• nuthatch
• nuthatches
• nut-hook
• nut-hooks
• nuthouse
• nuthouses
• nutjob
• nutjobber
• nutjobs
• nutlet
• nutlets
• nutlike
• nutmeal
• nutmeals
• nutmeg
• nutmegged
• nutmegging