biennially

[ bahy-en-ee-uh-lee ]

adverb

1. every two years:

   The general election shall be held biennially on the Tuesday following the first Monday of November in each even-numbered year.

2. Botany. two years after starting to grow:

   The fruits are acorns, maturing biennially, and have saucer- to cup-shaped caps that cover about a quarter of the nut.

Word History and Origins

Origin of biennially¹

biennial ( def ) + -ly

Example Sentences

The Hero Cup has been introduced to give more players more experience of a matchplay team tournament with an eye on the Ryder Cup, which is staged biennially between Europe and the United States.

From BBC

The drill, dubbed Keen Sword, takes place biennially around Japan.

From Reuters

Called the Rim of the Pacific Exercise, the drills are the world’s largest held biennially.

From Seattle Times

Klöwer offered footprint-reducing ideas: moving the meeting to a central U.S. city to shorten travel, holding the conference biennially and encouraging virtual participation.

From Scientific American

It isn’t about team, save the jingoistic cups it assembles biennially.

From Washington Post