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