opācus adj., in the shade, shaded, shady: ripa: frigus, cool shade, V.: vallis, H.

—Plur n. as subst: per opaca locorum, shady places, V.

—Darkened, dark, obscure: domus Cyclopis, V.: mater, i. e. earth, O.: crepuscula, of the lower regions, O.

— Casting a shade, shady: nemus, V.: Arctos, H.: barba, thick, Ct.