p.a.

Noun · Adverb

WordNet 3.0

Noun (1)

  1. an electronic amplification system used as a communication system in public areasSynonyms: public address systemP.A. systemPA systemP.A.PA

Adverb (1)

  1. 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 annumper yeareach yearannually
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Webster's Dictionary (GCIDE)

Pa \Pa\ (p[aum]), n. A shortened form of Papa. [1913 Webster]
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