quadrennium

[ kwo-dren-ee-uh m ]
/ kwɒˈdrɛn i əm /

noun, plural quad·ren·ni·ums, quad·ren·ni·a [kwo-dren-ee-uh] /kwɒˈdrɛn i ə/.

a period of four years.

Origin of quadrennium

1815–25; < New Latin, alteration of Latin quadriennium, equivalent to quadri- quadri- + -enn-, combining form of annus year (cf. annual) + -ium -ium

British Dictionary definitions for quadrennium

quadrennium
/ (kwɒˈdrɛnɪəm) /

noun plural -niums or -nia (-nɪə)

a period of four years

Word Origin for quadrennium

C17: from Latin quadriennium, from quadri- + annus year