pir

A Muslim holy man or religious leader, especially Sufi.

1894, D. C. Baillie, Census of India, 1891, Volume 16, Part 1, North-Western Provinces and Oudh Government Press, page 217, The five Pirs are not the only Muhammadan martyrs who are worshipped.

A second attempt to explain the unique role of the pirs in Bengal was made by Eaton (1994).

Initialism of property irregularity report: a form to be filled in when baggage is lost by an airline.

Initialism of passive infrared.

Abbreviation of polyisocyanurate.