MORTIFY (2)

Mor″ti‐fy, v. i. 1. 1. To lose vitality and organic structure, as flesh of a living body; to gangrene.
2. 2. To practice penance from religious motives; to deaden desires by religious discipline.
This makes him . . . give alms of all that he hath, watch, fast, and mortify. Law. 3. 3. To be subdued; to decay, as appetites, desires, etc.