n. 1. One who disciplines; one who excels in training, especially with training, especially with regard to order and obedience; one who enforces rigid discipline; a stickler for the observance of rules and methods of training; as, he is a better disciplinarian than scholar. [ 1913 Webster ]
2. A Puritan or Presbyterian; -- because of rigid adherence to religious or church discipline. [ Obs. ] [ 1913 Webster ]