noun
- The part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). mediastinum. Retrieved September 23, 2026, from http://smartdefine.org/mediastinum/definitions/1212430 |
| Chicago | WordNet. 2010. "mediastinum" http://smartdefine.org/mediastinum/definitions/1212430 (accessed September 23, 2026). |
| Harvard | WordNet 2010, mediastinum, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/mediastinum/definitions/1212430>. |
| MLA | WordNet. "mediastinum" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/mediastinum/definitions/1212430> |