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-snake is a noun meaning "any of several large harmless rodent-eating North American burrowing snakes". It carries one recorded sense.
any of several large harmless rodent-eating North American burrowing snakes
Definitions, synonyms and semantic relations for bull-snake come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.