D defs.my
Entry 1 sense Webster, 1913

Instructor

/ĭnˌ-strŭk'-tẽr/ · In·struct·or · IPA /ɪnˈstɹʌktɚ/
01 n. One who instructs; one who imparts knowledge to another; a teacher.
  1. 1.
    One who instructs; one who imparts knowledge to another; a teacher.