Pronunciation: /dʒəˌstɪkjʊˈleɪʃ(ə)n, dʒɛˌstɪkjʊˈleɪʃ(ə)n/
noun
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a gesture, especially a dramatic one, used instead of speaking or to emphasize one’s words: he punctuated his speech with wild gesticulations [mass noun]: there was a lot of gesticulation