Conclave definition is - a private meeting or secret assembly; especially : a meeting of Roman Catholic cardinals secluded continuously while choosing a pope. Cambridge Dictionary +Plus conclave definition: 1. a private meeting at which the discussions are kept secret 2. a meeting of cardinals (= Catholic…. conclave: 1 n a confidential or secret meeting Type of: group meeting , meeting a formally arranged gathering Example sentence: We held a family conclave to discuss how we could help the flood victims. Asked in Word and Phrase Origins , Short Stories , Example Sentences Sentences with the word conclave ? Learn more. How to use conclave in a sentence…