Lustrum

Lustrum, a sacrifice for expiation and purification offered by one of the censors of Rome in name of the Roman people at the close of the taking of the census, and which took place after a period of five years, so that the name came to denote a period of that length.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Lusitania * Lutetia
[wait for the fun]
Lunar Year
Lund
Lundy Island
Lüneburg
Lupercalia
Lupercus
Lupus
Lusatia
Lusiad
Lusitania
Lustrum
Lutetia
Luther, Martin
Lutheranism
Lutherans
Lutterworth
Lützen
Lux
Lux, Adam
Luxemburg
Luzon

Nearby

Lustrum in Brewer’s Dictionary of Phrase & Fable