A hundred things of the same kind; a hundred.
A period of 100 consecutive years; often specifically a numbered period with conventional start and end dates, e.g., the twentieth century, which stretches from (strictly) 1901 through 2000, or (informally) 1900 through 1999. The first century AD was from 1 to 100.
A unit in ancient Roman army, originally of 100 army soldiers as part of a cohort, later of more varied sizes (but typically containing 60 to 70 or 80) soldiers or other men (guards, police, firemen), commanded by a centurion.
A hundred runs scored either by a single player in one innings, or by two players in a partnership.
A political division of ancient Rome, meeting in the Centuriate Assembly.
A score of one hundred points.
A banknote in the denomination of one hundred dollars.
A race a hundred units (as meters, kilometres, miles) in length.
Synonym of hundredman: An administrator overseeing a hundred.
An inhabitant or freeholder of a hundred, hence (law) a person eligible for jury duty within a hundred.