0 past simple and past participle of gesticulate
1 to make movements with your hands or arms, to express something or to emphasize what you are saying:
As a taped musician crooned a tune about love and the beauties of nature, the puppet swayed and gesticulated with realistic grace.
She ate her lunch, but gesticulated violently when eating.
We have shouted and gesticulated many times to the bridge, but we are still waiting to know if anyone can hear us.