Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
double-barreled is an adjective meaning "having two barrels mounted side by side". It carries 2 recorded senses.
having two barrels mounted side by side
“a double-barreled shotgun”
having two purposes; twofold
“our double-barreled desire to make things profitable as well as attractive”
Definitions, synonyms and semantic relations for double-barreled come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.