资料来源 : pyDict

讲师;讲解者;导游

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Docent \Do"cent\, a. [L. docens, -entis, p. pr. of docere to
   teach.]
   Serving to instruct; teaching. [Obs.]

资料来源 : WordNet®

docent
     n : a teacher at some universities