bicentenary

from WordNet (r) 3.0 (2006)

bicentenary
    adj 1: of or relating to or completing a period of 200 years;
           "bicentennial celebration" [syn: {bicentennial},
           {bicentenary}]
    n 1: the 200th anniversary (or the celebration of it) [syn:
         {bicentennial}, {bicentenary}]

from The Collaborative International Dictionary of English v.0.48

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]

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