Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
rotatory is an adjective meaning "of or relating to or characteristic or causing an axial or orbital turn". It carries one recorded sense.
of or relating to or characteristic or causing an axial or orbital turn
Definitions, synonyms and semantic relations for rotatory come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .