Lewis Short
(adjective) : instĭtōrĭus, a, um, institor
* Of or relating to institores (post-Aug.).
* Adj.: operae,Suet. Ner. 21: artes, Hier. ap. Helv. 21: actio,Dig. 14, 3; Gai. Inst. 4, 71; 74.
* Subst.: instĭtōrĭa, ae, f., a female broker or huckster, Dig. 14, 3, 5.
Charlton T. Lewis, Charles Short, A Latin Dictionary