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