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