a period of a thousand years, esp measured from the traditional date of the birth of Christ
a thousandth anniversary
the date on which one period of a thousand years ends and another begins
the thousand years mentioned in the Bible (Rev. 20) during which holiness is to prevail and Christ is to reign on earth
a future golden age
millennial adj
[Latin mille thousand + late Latin -ennium as in biennium period of two years]