• 3 defintions found in Acronymia,
• 7 defintions found in AcroLexic: Acronyms and Abbreviations Dictionary:

PAX

private automatic exchange

passenger

Passengers, or Private Automatic Exchange

AcroLexic: Dictionary of Acronyms and Abbreviations contains 4 more definitions of “PAX”.

Download AcroLexic.

See also