pa system p.a. system • pat · · · Info · Definitions · Synonyms · Characters · · pa system · · Text Common · · Latin · · Scripts 9 · · Length 3 · · Syllables Definitions · · · (noun) an electronic amplification system used as a communication system in public areas. Synonyms: public address system, P.A. system, PA system, P.A., PA. · · Noun Definition 1 Synonyms · · · public address system · · Synonym 1 p.a. system · · Synonym 2 p.a. · · Synonym 3 pa · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 m latin small letter m U+006D p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079