مُدَرِّسٌ

(tropical:) A man who reads much and repeatedly. (K, TA.)

Hence, the مُدَرِّس of مَدْرَسَة (tropical:) [i. e. The lecturer, tutor, or professor, of a college, a collegiate mosque, or an academy: from which it is not to be understood that there is but one such person to every college; for generally one college has several مُدَرِّسُون]. (TA.)