Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
p.a. is a noun and adverb meaning "an electronic amplification system used as a communication system in public areas". It carries 2 recorded senses.
an electronic amplification system used as a communication system in public areas
Definitions, synonyms and semantic relations for p.a. come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.