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A five-year period (fortunately not a woman's period). Often used when numbering a fifth, tenth, etc. anniversary.
Next week we celebrate our company's fifth lustrum. That's 25 years of existence!
by EttDttP September 24, 2013
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Apr 25 Word of the Day
v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)
The committee commenced blamestorming over the situation rather than seeking solutions to the problem.
by TBea April 22, 2008
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