VICENNIAL


Meaning of VICENNIAL in English

adj.

Pronunciation: v ī - ' se-n ē - ə l

Function: adjective

Etymology: Late Latin vicennium period of 20 years, from Latin vicies 20 times + annus year; akin to Latin viginti twenty ― more at VIGESIMAL , ANNUAL

Date: circa 1859

: occurring once every 20 years

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.