Opalis

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

Ŏpālis, e, adj. [2. Ops],

of or belonging to Ops : Opale sacrum, i. e. the Opalia (v. Opalia), Aus. Ecl. Fer. Rom. 15 (al. Opis ante sacrum).