[a. L. expiātor, f. expiāre: see EXPIATE.] One who expiates or makes satisfaction (for sin).
1847. in Craig.
1872. J. G. Murphy, Comm. Lev. iii. 17. 59. To foreshadow the death of the great Expiator.
1878. B. Taylor, Deukalion, II. iii. They made me your Expiator.