• Webster's Revised Unabridged Dictionary
    • Piacular Expiatory; atoning.
    • Piacular Requiring expiation; criminal; atrociously bad. "Piacular pollution."
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Century Dictionary and Cyclopedia
    • piacular Expiatory; having power to atone: as, piacular rites.
    • piacular Requiring expiation; blameworthy; criminal; sinful; wicked.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Piacular pī-ak′ū-lar serving to appease, expiatory: requiring expiation: atrociously bad
    • ***


Webster's Revised Unabridged Dictionary
L. piacularis,: cf. F. piaculaire,
Chambers's Twentieth Century Dictionary
L. piaculum, sacrifice—piāre, expiate—pius, pious.


In literature:

Henry Williams was thus marked out more distinctly than ever as the piacular victim or scapegoat of the mission.
"A History of the English Church in New Zealand" by Henry Thomas Purchas
We propose to call the ceremonies of this sort piacular.
"The Elementary Forms of the Religious Life" by Emile Durkheim

In poetry:

Piacular may she not be,
And thus escape the eternal pyre,
No pirate's heart would dance with glee
Like mine, to see that maid--Ex-Pier.
"Pious Pie Poem Puns" by Jared Barhite