Webster's Revised Unabridged Dictionary · 1913

Stain

Stain (stān) , transitive verb

[Abbrev. from distain.]

1.
To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.
2.
To color, as wood, glass, paper, cloth, or the like, by processes affecting, chemically or otherwise, the material itself; to tinge with a color or colors combining with, or penetrating, the substance; to dye; as, to stain wood with acids, colored washes, paint rubbed in, etc.; to stain glass.
3.
To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish.
Of honor void, Of innocence, of faith, of purity, Our wonted ornaments now soiled and stained. — Milton
4.
To cause to seem inferior or soiled by comparison.
She stains the ripest virgins of her age. — Beau. & Fl
That did all other beasts in beauty stain. — Spenser
Collocations (1)
Stained glass , glass colored or stained by certain metallic pigments fused into its substance, -- often used for making ornamental windows.

Stain , intransitive verb

To give or receive a stain; to grow dim.

Stain , noun

1.
A discoloration by foreign matter; a spot; as, a stain on a garment or cloth. — Shakespeare
2.
A natural spot of a color different from the ground.
Swift trouts, diversified with crimson stains. — Pope
3.
Taint of guilt; tarnish; disgrace; reproach.
Nor death itself can wholly wash their stains. — Dryden
Our opinion... is, I trust, without any blemish or stain of heresy. — Hooker
4.
Cause of reproach; shame. — Sir P. Sidney
5.
A tincture; a tinge. [Rare]
You have some stain of soldier in you. — Shakespeare