Noun: bimillenary ,bI-mi'le-nu-ree or bI'mi-lu-nu-ree
- The 2000th anniversary (or the celebration of it)
"Rome marked the bimillenary of Augustus's death with special exhibitions";
- bimillennium
- A span of 2000 years
"The bimillenary of Rome's founding was celebrated in 1753";
- bimillennium
Derived forms: bimillenaries
Type of: anniversary, day of remembrance, period, period of time, time period, time span