lustrum [ luhs-truhm ]
noun, plural lus·trums, lus·tra [luhs-truh].
1. a period of five years.
2. Roman History. a lustration or ceremonial purification of the people, performed every five years, after the taking of the census.
WORDS RELATED TO LUSTRUM
cinquefoil, pentangle, pentagram, quintuple, cinque, quinquennium, pentacle, quintette, quintuplet, pentagon, limerick, pentad, quincunx, quinquennial, quintuplicate
See synonyms for: lustrum / lustra / lustrums on Thesaurus.com
Origin: First recorded in 1580–90; from Latin lūstrum; cf. luster
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