Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
raucously is an adverb meaning "with a raucous sound". It carries 2 recorded senses.
with a raucous sound
“his voice rang raucously”
Definitions, synonyms and semantic relations for raucously come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.