We found 4 dictionaries that define the word pa systems:

General (4 matching dictionaries)

1. PA systems: Merriam-Webster
2. PA systems: Collins English Dictionary
3. PA systems: Cambridge Advanced Learner's Dictionary
4. PA systems: Wiktionary

(Note: See pa_system as well.)

Definitions from Wiktionary (PA system) ▸ noun:  public address system ▸ Also see pa_system ▸ Words similar to pa systems ▸ Usage examples for pa systems ▸ Idioms related to pa systems ▸ Wikipedia articles (New!) ▸ Words that often appear near pa systems ▸ Rhymes of pa systems ▸ Invented words related to pa systems