atrium

/ˈeɪtriəm/

noun

An open-roofed entrance hall or central court in an ancient Roman house.

The sequence of these spaces in the palace suggests the atrium and peristyle of Roman houses, basic features of domestic architecture emphasized by the Roman writer Vitruvius.

entrance hall,hallway,entry,entrance,lobby,foyer,vestibule,reception area,atrium,concourse