I.a testimony, sealed with one's blood, to the truth of the Christian religion, martyrdom.
I. Lit. (eccl. Lat.): “martyrii palmae,” Tert. Spect. 29; “Greg. M. Dial. 3, 28: Domini martyrium,” Hier. adv. Jovin. 1: sanguine martyrii, Prud. στεφ. 7, 9: sacri martyrii corona, Ambros, Off. 2, 28.—
II. Transf.