D defs.my
Entry 3 senses Webster, 1913

Institutor

· In·sti·tu·tor · IPA
01 n. One who institutes, founds, ordains, or establishes.
  1. 1.
    One who institutes, founds, ordains, or establishes.
  2. 2.
    One who educates; an instructor.[Obs.]
  3. 3.
    A presbyter appointed by the bishop to institute a rector or assistant minister over a parish church.(Episcopal Church)