centenary Meaning, Definition & Usage

  1. noun the 100th anniversary (or the celebration of it)
    centennial.
  2. adjective of or relating to or completing a period of 100 years
    centennial.
    • centennial celebration

WordNet

Cen"te*na*ry adjective
Etymology
L. centenarius, fr. centum a hundred.
Definitions
  1. Relating to, or consisting of, a hundred.
  2. Occurring once in every hundred years; centennial. "Centenary solemnities." Fuller.
Cen"te*na*ry noun
Wordforms
plural Centenaries
Definitions
  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 hudred years before.

Webster 1913