p.a. Links Share URL Lookup “p.a.” at: Wikipedia Wiktionary Wordnik Dictionary.com Google noun an electronic amplification system used as a communication system in public areas Synonyms public address system, P, PA system, P, PA Less specific communication system Parts amplifier, loudspeaker, speaker, speaker unit, loudspeaker system, speaker system, tannoy adverb by the year; every year (usually with reference to a sum of money paid or received); “he earned $100,000 per annum”; “we issue six volumes per annum” Synonyms per annum, p, per year, each year, annually
