χειρονομέω

A. gesticulate with the hands, X. Smp. 2.19, D.C. 36.30, τοῖσι σκέλεσι ἐχειρονόμησε, of one standing on his head, Hdt. 6.129; χειρονομοῦντα volanticultello, flourishing the knife, of an expert carver, Juv. 5.121.
II. practise shadow-boxing, Thrasym. Fr. 4, Pl. Lg. 830c, Plu. 2.747b.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project