WordWeb Online

1. Of or relating to the doctrine of the millennium
    
2. Relating to or consisting of 1000

1. The 1000th anniversary (or the celebration of it)
   - millennium
    
2. A span of 1000 years
   - millennium
    
3. A sum or aggregate of one thousand (especially one thousand years)

Derived forms: millenaries

See also: millennium, thousand

Type of: 1000, anniversary, chiliad, day of remembrance, G, grand, K, M, one thousand, period, period of time, thou, thousand, time period, yard