Origin: Latin suffix -ary
Millenary has 7 different meanings across 2 categories:
the 1000th anniversary (or the celebration of it)
a span of 1000 years
a sum or aggregate of one thousand (especially one thousand years)
A period of one thousand years; a millennium.
of or relating to the doctrine of the millennium
relating to or consisting of 1000
Of or pertaining to a thousand, especially to a thousand years.