WordReference Random House Unabridged Dictionary of American English © 2026
PA system. 
  1. See public-address system. 
Also, P.A. system, p.a. system. 
  • 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
PA system n
  1. See public-address system
'PA system' also found in these entries (note: many are not synonyms or translations):
public-address system

🗣️Forum discussions with the word(s) "PA system" in the title:


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