1.1Lasting for or relating to a period of nine years.
More example sentences
- We all know what happened at the last one, but the coming one is always a biggie in the novennial cycle as it will have the election of the Presiding Bishop, the primate of the American church who serves a ten-year term.
mid 17th century: from late Latin novennis 'nine years old' (from Latin novem 'nine') + -al.
Definition of novennial in:
- The US English dictionary