I. sen.ˈtenərē, -ri; ˈsent ə nˌer-, -ntə̇ˌne-; Brit often sen.ˈtēn- noun
( -es )
Etymology: Late Latin centenarium, centenarius, from Latin centenarius, adjective
1. obsolete : a weight of 100 pounds
2. : a period, space, or age of 100 years : century
3. : a commemoration or celebration of an event that occurred 100 years before : centennial
4. : the governor of a county hundred
II. adjective
Etymology: Latin centenarius of a hundred, from centeni one hundred each, from centum hundred — more at hundred
1. : being 100 years later : marking a duration of 100 years : lasting 100 years : measured by hundred-year spans : centennial
a centenary celebration
a centenary practice
2. : belonging or relating to a county hundred