A really fast thesaurus... with lots of synonyms.
We don't have synonyms for opercule yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are overrule, operable and opuscule.
We don't have any synonyms for opercule yet.
Think opercule belongs in the thesaurus? Recommend it and we'll take a look.