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

• parasyntheses
• parasynthesis
• parasyntheta
• parasynthetic
• parasyntheton
• parasynthetons
• paratactic
• paratactical
• paratactically
• parataxes
• parataxis
• paratha
• parathas
• paratheses
• parathesis
• parathion
• parathions
• parathormone
• parathormones
• parathyroid
• parathyroid hormone
• parathyroid hormones
• parathyroids
• paratonic
• paratrooper