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

• paralogia
• paralogias
• paralogise
• paralogised
• paralogises
• paralogising
• paralogism
• mother superior
• mother superiors
• mother-to-be
• mother tongue
• mother tongues
• mother water
• mother wit
• motherwort
• motherworts
• mothery
• moth-flower
• moth-flowers
• moth-hunter
• moth-hunters
• mothier
• mothiest
• mothproof
• moths