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n. pl. cen·tu·ries
a. A period of 100 years.
b. Each of the successive periods of 100 years before or since the advent of the Christian era.
a. A unit of the Roman army originally consisting of 100 men.
b. One of the 193 electoral divisions of the Roman people.
3. A group of 100 things.
1. (Military) of or relating to a Roman century
2. rare involving a period of 100 years