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.
anniversary (plural anniversaries) 1  Of a significant event, a day that is an exact number of years (to the day) since the event occurred. ( 2 loosely) A day subsequent in time to a given event by some (especially significant) factor other than a year (especially as prefixed by the amount of time in question).