\Cen"te*na*ry\, a. [L. centenarius, fr. centum a
hundred.]
1. Relating to, or consisting of, a hundred.

2. Occurring once in every hundred years; centennial.
   ``Centenary solemnities.'' --Fuller.

\Cen"te*na*ry\, n.; pl. {Centenaries}.
1. The aggregate of a hundred single things; specifically, a
   century. ``Every centenary of years.'' --Hakewill.

2. A commemoration or celebration of an event which occurred
   a hundred years before.