Webster's English Dictionary

Enter the word to look up:

millennium

mil.len.ni.um \m*-'len-e--*m\ \-e--*\ n or mil.len.nia or millenniums [NL, 
   fr. L mille thousand + NL -ennium (as in biennium)] pl  1a: a period of 
   1000 years  1b: a 1000th anniversary or its celebration  2a: the thousand 
   years mentioned in Revelation 20 during which holiness is  to prevail and 
   Christ is to reign on earth 2b: a period of great happiness or perfect 
   government or freedom from imper fections in human existence