quadrennial
suomi-englanti sanakirjaquadrennial englanniksi
(syn)
{{quote-text|en|year=1852|author=Millard Fillmore|title=State of the Union Address
Lasting for four years.
A four-year period, a quadrennium.
{{quote-journal|en|year=2002|journal=Rowing News|volume=9|number=14|page=20