millenary

(mĭlˈə-nĕrˌē, mə-lĕnˈə-rē)

1. Of or relating to a thousand, especially to a thousand years; millenarian.
2. a. Of or relating to the doctrine of the millennium; millenarian.
   b. Of or relating to millenarians.

1. A sum or total of one thousand, especially a thousand years.
2. A millenarian.