adj pertaining to discipline.
2. disciplinarian ·noun a puritan or presbyterian;
because of rigid adherence to religious or church discipline.
3. disciplinarian ·noun 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.