/sen ten"euh ree, sen"tn er'ee/ ; esp. Brit. /sen tee"neuh ree/ , adj., n., pl. centenaries .
adj.
1. of or pertaining to a period of 100 years.
2. recurring once in every 100 years: a centenary celebration.
n.
3. a centennial.
4. a period of 100 years; century.
[ 1600-10; centenarius (adj.), equiv. to centen ( i ) a hundred each ( cent ( um ) 100 + -eni distributive suffix) + -arius -ARY ]