(1):
(n.) An act by which the treats of prodigies were averted among the ancient heathen.
(2):
(n.) The means by which reparation or atonement for crimes or sins is made; an expiatory sacrifice or offering; an atonement.
(3):
(n.) The act of making satisfaction or atonement for any crime or fault; the extinguishing of guilt by suffering or penalty.