'Decennium' definitions:

Definition of 'decennium'

(from WordNet)
noun
A period of 10 years [syn: decade, decennary, decennium]

Definition of 'Decennium'

From: GCIDE
  • Decennium \De*cen"ni*um\, n.; pl. Decenniums, L. Decennia. [L.] A period of ten years. "The present decennium." --Hallam. "The last decennium of Chaucer's life." --A. W. Ward. Decennoval

Words containing 'Decennium'