noun
- An electronic amplification system used as a communication system in public areas.
- synonyms: public address system, P. A. System, P. A., PA
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). PA system. Retrieved September 20, 2026, from http://smartdefine.org/pa_system/definitions/1299940 |
| Chicago | WordNet. 2010. "PA system" http://smartdefine.org/pa_system/definitions/1299940 (accessed September 20, 2026). |
| Harvard | WordNet 2010, PA system, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/pa_system/definitions/1299940>. |
| MLA | WordNet. "PA system" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/pa_system/definitions/1299940> |