Lewis Short
gestĭcŭlātio (noun F) : gesticulor
* Pantomimic motion, gesticulation (postAug.; syn. gestus): nec sine molli quadam digitorum gesticulatione,Suet. Tib. 68: inaffectata,App. M. 10, p. 254, 18: pronunciatio gesticulationibus molesta,Quint. 11, 3, 183.
Charlton T. Lewis, Charles Short, A Latin Dictionary