Definition of "PAC"

PAC

noun
plural PACs
1. (computing) Initialism of programmable automation controller.
2. (computing) Initialism of proxy auto-config (file).
3. Initialism of public accounts committee.
4. (US politics) Initialism of political action committee.
  Quotations
  A PAC may contribute no more than $5,000 to a federal candidate in a general or primary election. PACs have grown to become the second-largest source of campaign funds, trailing only individuals (Herrnson 2004).
  2006, Peter L. Francia, The Future of Organized Labor in American Politics, Columbia University Press, page 81
  The new group, called Save America, is a federal fund-raising vehicle known as a leadership PAC that has donation limits of $5,000 per donor per year. […] In that sense, his PAC could become a fan-subsidized machine to perpetuate his agenda and plot his next moves.
  2020 November 10, Shane Goldmacher, Maggie Haberman, Rachel Shorey, “Trump Starts PAC for Future Endeavors, Biden Will Speak on Obamacare Case”, in The New York Times‎
5. (software design) Initialism of presentation-abstraction-control.
proper noun
1. (military) Abbreviation of Pacific. (Pacific Ocean)