Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sinistrorsal is an adjective meaning "spiraling upward from right to left". It carries one recorded sense.
Definitions, synonyms and semantic relations for sinistrorsal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.