'Bicentenary' definitions:
Definition of 'bicentenary'
From: WordNet
adjective
Of or relating to or completing a period of 200 years; "bicentennial celebration" [syn: bicentennial, bicentenary]
noun
The 200th anniversary (or the celebration of it) [syn: bicentennial, bicentenary]
Definition of 'Bicentenary'
From: GCIDE
- Bicentenary \Bi*cen"te*na*ry\, a. [Pref. bi- + centenary.] Of or pertaining to two hundred, esp. to two hundred years; as, a bicentenary celebration. -- n. The two hundredth anniversary, or its celebration. [1913 Webster]