noun
a gesture, especially a dramatic one, used instead of speaking or to emphasize one's words
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The speaker used precise gesticulations to emphasize her points during the presentation.
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He's always waving his hands around when he talks, like his gesticulations will make his story more interesting.
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She was throwing up gang signs and other gesticulations while rapping on stage.
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His gesticulations of kindness towards the homeless man warmed the hearts of onlookers.