Lewis Short
(adjective) : tăgax, ācis, tago
* That is apt to touch any thing; pregn., light - fingered, thievish (very rare): tagax furunculus a tangendo,Fest. p. 359 Müll.; cf. Non. 408, 33: manus, Lucil. ap. Fest. l. l. (Sat. Fragm. 30; 86): levis, libidinosus, tagax, * Cic. Att. 6, 3, 1.
Charlton T. Lewis, Charles Short, A Latin Dictionary