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