atrium /äˈ or āˈtri-əm or -ŭm/

1. The entrance hall or chief apartment of an ancient Roman house
2. A church forecourt or vestibule
3. A central courtyard (architecture)
4. A cavity or entrance (zoology and anatomy)
5. Specif either of the two upper cavities of the heart into which blood passes from the veins

aˈtrial adjective

• Robber Council
• robber crab
• robber crabs
• robber flies
• robber fly
• robberies
• robbers
• Robber Synod
• robbery
• robbing
• robbings
• 'robe
• robe
• robed
• robe-de-chambre
• robe maker
• robe makers
• roberdsman
• roberdsmen
• robertsman
• robes
• robes-de-chambre
• robin
• robing
• Robin Goodfellow