Third-person singular simple present indicative form of gesticulate.(verb)
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Use "gesticulates" in a sentence
"As you see the way he sits and thinks and gesticulates, which is usually fairly limited, at least in -- outside of the courtroom contacts, very similar."
"But the spectators take the clown's desperate pleas as part of his schtick; and the more he gesticulates the more they laugh, until fire engulfs the whole theater."
"Carroll depends here upon the strong contrast between his rather spiky protagonist (who gesticulates in a decidedly unfeline way) and what most people observe in real cats."