noun
- Any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart. )
- The central area in a building; open to the sky. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). atrium. Retrieved September 20, 2026, from http://smartdefine.org/atrium/definitions/1201388 |
| Chicago | WordNet. 2010. "atrium" http://smartdefine.org/atrium/definitions/1201388 (accessed September 20, 2026). |
| Harvard | WordNet 2010, atrium, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/atrium/definitions/1201388>. |
| MLA | WordNet. "atrium" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/atrium/definitions/1201388> |