Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
colloquially is an adverb meaning "with the use of colloquial expressions". It carries one recorded sense.
with the use of colloquial expressions
“this building is colloquially referred to as The Barn”
Definitions, synonyms and semantic relations for colloquially come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.