Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
bidentate is an adjective meaning "having toothlike projections that are themselves toothed". It carries one recorded sense.
having toothlike projections that are themselves toothed
Definitions, synonyms and semantic relations for bidentate come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.