to make expressive gestures, esp when speaking
He gesticulated to the waiter for the bill
gesticulation /-ʹlaysh(ə)n/ noun
gesticulative /-lətiv/ adj
gesticulator noun
gesticulatory /-lət(ə)ri/ adj
[Latin gesticulatus, past part. of gesticulari, from gesticulus, dimin. of gestus: see gestation]