Bible Encyclopedias
Lustrum

The Nuttall Encyclopedia

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.

Bibliography Information
Wood, James, ed. Entry for 'Lustrum'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​l/lustrum.html. Frederick Warne & Co Ltd. London. 1900.