Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
bull's-eye is a noun meaning "a lantern with a single opening and a sliding panel that can be closed to conceal the light". It carries one recorded sense.
a lantern with a single opening and a sliding panel that can be closed to conceal the light
Definitions, synonyms and semantic relations for bull's-eye come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.