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

• horse-breakers
• horsecar
• horsecars
• horse chestnut
• horse chestnuts
• horse-cloth
• horse-cloths
• horse-collar
• horse-collars
• horse-coper
• horse-copers
• horse-couper
• horse-coupers
• horse-courser
• horse-coursers
• horsed
• horse-dealer
• horse-dealers
• horse-dealing
• horse-doctor
• horse-doctors
• mammographies
• mammographs
• mammography
• mammon