P.a.

adv, noun

adv, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Abbreviation of public address system. abbreviation, alt-of
  2. 2
    an electronic amplification system used as a communication system in public areas wordnet
Adverb
  1. 1
    Abbreviation of per annum. abbreviation, alt-of, not-comparable
Adverb
  1. 1
    by the year; every year (usually with reference to a sum of money paid or received) wordnet

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.