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[luhs-truh l]
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  1. of, relating to, or employed in the lustrum, or rite of purification.
  2. occurring every five years; quinquennial.
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Origin of lustral

From the Latin word lūstrālis, dating back to 1525–35. See lustrum, -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for lustral

Historical Examples

  • The ancients had their lustral water for sprinkling and purifying the people.

    The Mysteries of All Nations

    James Grant

  • Did I need such a crowd to help me by holding the lustral victims during the lengthy rite?

  • Fair dewy streams, and lustral waters from ancestral sources await thee, and the host of the Greeks eager to reach Troy.

  • And the seer Calchas will to his cost consecrate the sacrificial cakes and lustral waters.

  • But the son of Peleus ran around the altar of the Goddess, taking the canister and lustral waters at the same time.

British Dictionary definitions for lustral


  1. of or relating to a ceremony of purification
  2. taking place at intervals of five years; quinquennial
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Word Origin

C16: from Latin lūstrālis adj from lustrum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for lustral


"pertaining to purification," 1530s, from Latin lustralis, from lustrum (see lustrum). Hence, also, "every five years" (1781).

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Online Etymology Dictionary, © 2010 Douglas Harper