Penitential
Penitential , adjective
[Compare French pénitentiel.]
Of or pertaining to penitence, or to penance; expressing penitence; of the nature of penance; as, the penitential book; penitential tears.
Penitential stripes.
Guilt that all the penitential fires of hereafter can not cleanse.
Penitential , noun
(Roman Catholic Church) A book formerly used by priests hearing confessions, containing rules for the imposition of penances; -- called also penitential book.