Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
lip-gloss is a noun meaning "makeup that makes the lips shiny". It carries one recorded sense.
makeup that makes the lips shiny
Definitions, synonyms and semantic relations for lip-gloss come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.