a. [ L. expiatus, p. p ] Terminated. [ Obs. ] Shak. [ 1913 Webster ]

v. t. [ imp. & p. p. Expiated p. pr. & vb. n. Expiating ] [ L. expiatus, p. p. of expiare to expiate; ex out + piare to seek to appease, to purify with sacred rites, fr. pius pious. See Pious. ] 1. To extinguish the guilt of by sufferance of penalty or some equivalent; to make complete satisfaction for; to atone for; to make amends for; to make expiation for; as, to expiate a crime, a guilt, or sin. [ 1913 Webster ]

To expiate his treason, hath naught left. Milton. [ 1913 Webster ]

The Treasurer obliged himself to expiate the injury. Clarendon. [ 1913 Webster ]

2. To purify with sacred rites. [ Obs. ] [ 1913 Webster ]

Neither let there be found among you any one that shall expiate his son or daughter, making them to pass through the fire. Deut. xviii. 10 (Douay version) [ 1913 Webster ]

n. [ L. expiatio: cf.F. expiation ] 1. The act of making satisfaction or atonement for any crime or fault; the extinguishing of guilt by suffering or penalty. [ 1913 Webster ]

His liberality seemed to have something in it of self-abasement and expiation. W. Irving. [ 1913 Webster ]

2. The means by which reparation or atonement for crimes or sins is made; an expiatory sacrifice or offering; an atonement. [ 1913 Webster ]

Those shadowy expiations weak,
The blood of bulls and goats. Milton. [ 1913 Webster ]

3. An act by which the threats of prodigies were averted among the ancient heathen. [ Obs. ] Hayward. [ 1913 Webster ]

n. An expiator. [ R. ] [ 1913 Webster ]

n. [ L. ] One who makes expiation or atonement. [ 1913 Webster ]

a. Of an expiatory nature; expiatory. Jer. Taylor. [ 1913 Webster ]

a. [ L. expiatorius: cf. F. expiatoire. ] Having power, or intended, to make expiation; atoning; as, an expiatory sacrifice. [ 1913 Webster ]