opertus adj.
P. of operio, hidden, concealed : res: bella, V.: cineres, H.—As subst n., a secret place : telluris operta subire, depths , V.: Bonae Deae.— A dark saying, secret : Apollinis operta: operta recludit (ebrietas), H.
ŏpertus, a, um, Part. and P. a., from operio. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.