Definition of "piacular" []

• Making expiation or atonement for a sacrilege: piacular sacrifice. (adjective)
• Requiring expiation; wicked or blameworthy. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Exactly right, Arnold, on the piacular health care proposals."
• "I felt the glow of success, raising an academic paper from a piacular rite to -- dare I say it -- art."
• "The piacular sacrifice took place several days later, by which time Caesar had readied himself for his journey to take up duty under Marcus Minucius Thermus, governor of Asia Province."