'bimillennium' definitions:

Definition of 'bimillennium'

From: WordNet
noun
The 2000th anniversary (or the celebration of it) [syn: bimillennium, bimillenary]
noun
A span of 2000 years [syn: bimillennium, bimillenary]

Definition of 'bimillennium'

From: GCIDE
  • bimillennium \bimillennium\ n.
  • 1. a span of 2000 years.
  • Syn: bimillenary. [WordNet 1.5]
  • 2. the year 2000 a. d. [PJC]