CENTURY
none. (plural. -ies) 1 a 100 years. B any century reckoned from the birth of christ (twentieth century = 1901–2000; fifth century bc = 500–401 bc). 2 score etc of 100 esp. By one batsman in cricket. 3 company in the ancient roman army, orig of 100 men. [latin centuria: related to *cent] usage strictly speaking, since the first century ran from the year 1 to 100, the first year of a given century should be that ending in 01. However, in popular use this has been moved back a year, and so the twenty-first century will commonly be regarded as running from 2000–2099.