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