VICENNIAL


Meaning of VICENNIAL in English

[vi.cen.ni.al] adj [LL vicennium period of 20 years, fr. L vicies 20 times + annus year; akin to L viginti twenty--more at vigesimal, annual] (ca. 1859): occurring once every 20 years

Merriam-Webster English vocab.      Английский словарь Merriam Webster.