Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
rosaceous is an adjective meaning "of or pertaining to or characteristic of plants of the family Rosaceae". It carries 2 recorded senses.
of or pertaining to or characteristic of plants of the family Rosaceae
Definitions, synonyms and semantic relations for rosaceous come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.