driver in Wingdings is ♎︎❒︎♓︎❖︎♏︎❒︎

A part that transmits motion to another part by contact withit, or through an intermediate relatively movable part, as a gearwhich drives another, or a lever which moves another through a link,etc. Specifically:(a) The driving wheel of a locomotive.(b) An attachment to a lathe, spindle, or face plate to turn acarrier.(c) A crossbar on a grinding mill spindle to drive the upper stone.