gesticulate

To make gestures or motions, as in speaking.

A "Haka" is the native dance, answering to the corroboree of the Australian aboriginals, and we were anxious to see it. […] Later in the evening, however, the complaisant Herekiekie entertained a small and select party at a "Haka" in his "whare" or house (pronounced wharry). It was exactly what I expected. The performers, all male, stood in a row, one, slightly advanced, acting as fugleman. They shouted and gesticulated with the most hideous and revolting gestures, grimaces, and yells.

... groups of dancers were wheeling, plunging, and gesticulating while the ogre, more aphasic than before, mumbled at full strength ...

To say or express through gestures.

[…]the TV programme Friends is influencing not only the way Irish people speak but also how they gesticulate. Now almost every utterance is accompanied by arms outstretched and palms turned upwards."