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