n.
Pronunciation: m ə - ' le-n ē - ə m
Function: noun
Inflected Form: plural -nia \ -n ē - ə \ or -niums
Etymology: New Latin, from Latin mille thousand + New Latin -ennium (as in biennium )
Date: circa 1638
1 a : the thousand years mentioned in Revelation 20 during which holiness is to prevail and Christ is to reign on earth b : a period of great happiness or human perfection
2 a : a period of 1000 years especially : one reckoned from the beginning of the Christian era <at the start of the third millennium > b : a 1000th anniversary or its celebration