rhetoricianPronunciation: /rɛtəˈrɪʃ(ə)n/Definition of rhetorician noun an expert in formal rhetoric. a speaker whose words are primarily intended to impress or persuade: they’re ready to listen to any smooth-tongued rhetoricianOrigin: late Middle English: from Old French rethoricien, from rhetorique (see rhetoric)rhetorician in other Oxford dictionaries Definition of rhetorician in the US English dictionary