octennial's Usage Examples:

introduced them alternately every second year for two octennial periods: every third octennial period, however, Numa intercalated only [.

octagon, octahedron, octameter, octode oct- eight Latin octō octangular, octennial, octovir octav- eighth Latin octāvus octaval octogen- eighty each Latin.

The local authority, Perth and Kinross, stated that the octennial anniversary of the city in 2009 should create "a foundation for Perth.

biennium, bimillennial, centennial, decennial, millennial, millennium, octennial, per annum, perennate, perennial, quadrennial, quadrennium, quinquennial.

reasons at the moment for avoiding unpopularity in Ireland, allowed an octennial bill (limiting the term of parliament to eight years) to pass, which was.