[f. LAPSE v. + -ER1.] One who lapses or falls away from (something, † esp. from the Christian faith).
1695. J. Sage, Cyprianic Age, Wks. 1847, II. 9. Such as absolved the lapsers.
1718. Hickes & Nelson, J. Kettlewell, III. lv. 330. With regard to any who were looked upon by him as Lapsers.
1899. W. A. Sommerville, in 19th Cent., Sept., 451. These lapsers fron sobriety belong to the class who come home at midnight to put terror into the hearts of helpless children who should know no terror.