Wikipedia -voice, an atlatl is… An atlatl (from Nahuatl ahtlatl [?ah.t?at?] ; in English pronounced [???t?l??t??] [1] or [??t?l??t??] [2] ) or spear-thrower is a tool that uses leverage to achieve greater velocity in spear -throwing, and includes a bearing surface which allows the user to temporarily store energy during the