(1):

(n.) A solution (commonly colored) of medicinal substance in alcohol, usually more or less diluted; spirit containing medicinal substances in solution.

(2):

(n.) A tinge or shade of color; a tint; as, a tincture of red.

(3):

(n.) One of the metals, colors, or furs used in armory.

(4):

(n.) The finer and more volatile parts of a substance, separated by a solvent; an extract of a part of the substance of a body communicated to the solvent.

(5):

(n.) A slight quality added to anything; a tinge; as, a tincture of French manners.

(6):

(n.) A slight taste superadded to any substance; as, a tincture of orange peel.

(7):

(v. t.) To imbue the mind of; to communicate a portion of anything foreign to; to tinge.

(8):

(v. t.) To communicate a slight foreign color to; to tinge; to impregnate with some extraneous matter.