01 a. Of or pertaining to penitence, or to penance; expressing penitence; of the nature of penance; as, the penitential book; penitential tears.
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1.
Of or pertaining to penitence, or to penance; expressing penitence; of the nature of penance; as, the penitential book; penitential tears.“Guilt that all the penitential fires of hereafter can not cleanse.” — Sir W. Scott.