Regarding Facilities and Areas and the Status of United States Armed Forces in Japan, signed at Tokyo on January 25, 2008, Noting situations involving both countries,
Familiarity information: BICENTENNIAL used as a noun is very rare. â¢ BICENTENNIAL (adjective). The adjective BICENTENNIAL has 1 sense: 1. of or relating to or completing a period of 200 years. Familiarity information: BICENTENNIAL used as an adjective is very rare.
centennial (not comparable) 1  Relating to, or associated with, the commemoration of an event that happened a hundred years before. a centennial ode. 2  Happening once in a hundred years. a centennial jubilee; a centennial celebration. 3  Lasting or aged a hundred years.