Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
gum-lac is a noun meaning "an inferior lac produced by lac insects in Madagascar". It carries one recorded sense.
an inferior lac produced by lac insects in Madagascar
Definitions, synonyms and semantic relations for gum-lac come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.