rotula /rotˈū-lə/

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

• smoke-dries
• smoke-dry
• smoke-drying
• smoke-filled room
• smoke-filled rooms
• smoke helmet
• smoke helmets
• smoke-ho
• smoke hole
• smoke holes
• smokehood
• smokehoods
• smoke-hos
• smokehouse
• smokehouses
• smoke-jack
• smoke-jacks
• smokeless
• smokeless fuel
• smokeless fuels
• smokelessly
• smokelessness
• smokelessnesses
• smokeless zone
• smokeless zones