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.
The meanings of the prefix bi are: 1  occurring twice in every one: biannual, bimonthly. 2  occurring once in every two: bicentennial, biennial. 3  lasting for two: biennial, biennium.