gesticulate
verb [ I ] formal uk/dʒesˈtɪk.jə.leɪt/ us/dʒesˈtɪk.jə.leɪt/
（说话时）做手势，用手势表达，用动作（或姿态）示意
to make movements with your hands or arms, to express something or to emphasize what you are saying
There was a man outside the window gesticulating wildly. 有个人在窗外拼命地做手势。
Synonyms: gesture motion