PA
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1
PA
abbreviation
1
PA
abbreviation
Learner's definition of PA
Pennsylvania
plural
PAs
plural
PAs
Learner's definition of PA
[count]
1
:
a machine with a microphone and speakers used for making announcements in a public place
— usually used with the
-
The name of the raffle winner was announced over the PA.
— called also
PA system, public address system
2
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