prae-cŭtĭo, cussi, cussum, 3, v. a. [quatio],
to shake , wave , or brandish before or in front (poet.): taedas, Ov. M. 4, 757 (but in Prop. 4, 15, 16, the true reading is percutit).
praecutiō —, —, ere prae+quatio, to shake before, brandish in front : taedas, O. ...
An Elementary Latin Dictionary