pir

plural pirs

1. 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.

   2 more examples

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

   1996, Akbar Ali Khan, Discovery of Bangladesh, University Press Limited, page 108

   Also I learned from the pirs (holy men) and mullahs that someday the entire world will be converted to Islam.

   2003, Ibn Warraq, Leaving Islam, Prometheus Books, page 241

2. One of the three hereditary, traditionally endogamous Yazidi castes, taking similar religious roles as the sheikh caste with a few differences.

plural PIRs

1. abbreviationcountableinitialismaeronauticsInitialism of property irregularity report: a form to be filled in when baggage is lost by an airline.
2. abbreviationinitialismuncountableInitialism of passive infrared.
3. abbreviationchemistryAbbreviation of polyisocyanurate.

plural Pirs

1. Alternative letter-case form of pir