'Bicentennial' definitions:

Definition of 'bicentennial'

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 'Bicentennial'

From: GCIDE
  • Bicentennial \Bi`cen*ten"ni*al\, a. [Pref. bi- + centennial.]
  • 1. Consisting of two hundred years. [1913 Webster]
  • 2. Occurring every two hundred years. [1913 Webster]

Definition of 'Bicentennial'

From: GCIDE
  • Bicentennial \Bi`cen*ten"ni*al\, n. The two hundredth year or anniversary, or its celebration. [1913 Webster]