lustrum

1. 1.

   a period of five years

   Broadertime period
2. 2.

   a ceremonial purification of the Roman population every five years following the census

   Broaderceremony

   Rome · antiquity

Other forms of lustrum

plural

lustrums·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about lustrum

What does lustrum mean?

lustrum means "a period of five years". That is the primary sense; the word has 2 in total, listed in full on this page.

How many syllables are in lustrum?

lustrum has 2 syllables: lu-strum. The stress falls on "lu".

Is lustrum a common word?

lustrum is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.