'vinum opii' definitions:

Definition of 'vinum opii'

From: GCIDE

Vinum \Vi"num\, n.; pl. Vina. [L. See Wine.] Wine, -- chiefly used in Pharmacy in the name of solutions of some medicinal substance in wine; as:
vina medicata, medicated wines;
vinum opii, wine of opium. [Webster 1913 Suppl.]