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