Lewis Short
(adjective) : in-tractātus, a, um, 2. in-tracto
* Not handled or managed, untamed, wild; untried, unattempted (class.): equus,unbroken,Cic. Lael. 19, 68: decor,wild, natural, simple,Grat. Cyn. 134: lanae,not carded,Cael. Aur. Acut. 3, 5, 57: ne quid intractatum scelerisve dolive fuisset,Verg. A. 8, 206.
Charlton T. Lewis, Charles Short, A Latin Dictionary