centenary

adj

1. (not-comparable)Of or related to the number one hundred, particularly
2. (not-comparable)Of or related to the number one hundred, particularly
3. (historical, not-comparable, obsolete)Of or related to the number one hundred, particularly

noun

1. (obsolete)Synonym of centurion: An officer commanding 100 men, especially (historical) in the Roman army.
2. (obsolete)Synonym of century: a period of 100 years.
3. Synonym of centennial: a hundredth anniversary.

   “In the midst of a world war many centenaries pass unnoticed, but one which fell on August 2, namely, the opening of Fenchurch Street station, is deserving of record.”

4. (uncommon)Synonym of hundredweight, especially (historical) in Greek and Roman contexts.
5. (historical)Synonym of centgrave: a position in the Frankish Empire overseeing local administration.
6. (historical)Synonym of hundredman: a position in the Anglo-Saxon kingdoms overseeing local administration.
7. (obsolete)Synonym of hundred: a collection of 100 things.
8. (obsolete, rare)Synonym of centenarian: a person 100 or more years old.

verb

1. (ambitransitive, obsolete)To celebrate the centennial of.