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

• pebble-stones
• pebble-ware
• pebblier
• pebbliest
• pebbling
• pebblings
• pebbly
• pec
• PEC
• pecan
• pecan nut
• pecans
• pecan tree
• pecan trees
• peccabilities
• peccability
• peccable
• peccadillo
• peccadilloes
• peccadillos
• peccancies
• peccancy
• peccant
• peccantly
• peccaries