Definitions

from The Century Dictionary.

  • Once in two years; at the return of two years.

from the GNU version of the Collaborative International Dictionary of English.

  • adverb Once in two years.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adverb Taking place every two years

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adverb every two years

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

biennial +‎ -ly

Examples

Comments

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