Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
biyearly is an adjective and adverb meaning "occurring every second year". It carries 4 recorded senses.
occurring or payable twice each year
twice a year
Definitions, synonyms and semantic relations for biyearly come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.