All 12 Uses

atrium
in
The Sword of Summer
(Auto-generated)

Lying in the middle of the atrium, I breathed in the fresh air and hoped my lungs would settle down.
p. 69.4 *

atrium = large public room
In a trance, I moved to the middle of the suite, where a central atrium was open to the sky.†
p. 64.8
The taller branches grew up through the opening of the atrium, making a lacy canopy.†
p. 64.9
The suite was shaped like a cross, with four sections radiating from the central atrium.†
p. 65.3
I ended up in the atrium, sprawled on the grass, gazing at the stars through the tree branches.†
p. 107.8
Sure, I'd arrived in Valhalla feeling magically dry-cleaned, but after a bad night's sleep in the atrium, I was ready for a good old-fashioned scrub down.†
p. 109.3
It made no sense, considering that it was summer in my atrium right down the hall, but I'd already learned that the hotel's geography was wack.†
p. 113.1
I walked to the atrium and stared at the stars through the trees.†
p. 150.7
Together with Hearthstone, he pulled me away from the atrium.†
p. 155.7
The indoor atrium was warm, open to the public, and never crowded.†
p. 202.5
In return, I made sure the other homeless folks in the atrium stayed polite and cleaned up after themselves so Abdel's paying customers weren't scared away.†
p. 203.6
Samirah's eyes looked like they were going to shoot across the atrium.†
p. 207.1

Definitions:

(1) (atrium as in: atrium of the building)
a central open space in a building -- often a large skylit hall near the entrance

In ancient Roman houses and early Christian churches, an atrium was an open courtyard. In many modern buildings, it is an indoor space that may include plants, water features, and balconies or walkways to other rooms.
(2) (atrium as in: right atrium of the heart)
chamber from which blood enters the heart
(3) (meaning too rare to warrant focus)
Much less commonly, atrium can refer to anatomical structures other than the heart.