biennium
noun
a period of two years.
The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This included proposing that two prison - Shutter Creek Correctional Institution in North Bend and Warner Creek Correctional Facility in Lakeview - close over the next two bienniums.
From Washington Times ● Aug. 7, 2020