what does tincture mean
Definition of tincture. 1  1 : a solution of a medicinal substance in an alcoholic solvent. 2  2a : a characteristic quality : castb : a slight admixture : trace a tincture of doubt. 3  3a : color, tintb archaic : a substance that colors, dyes, or stains. 4  4 : a heraldic metal, color, or fur. 5  5 obsolete : an active principle or extract.