Entry 3 senses Webster, 1913 Provisor · Pro·vi·sor · IPA /pɹəˈvaɪzə(ɹ)/ 01 n. One who provides; a purveyor. 1. One who provides; a purveyor.[Obs.] 2. The purveyor, steward, or treasurer of a religious house.(R. C. Ch.) 3. One who procures or receives a papal provision. See Provision, 6.(Eng. Hist.) See: Provision