STAIN

v. discolor, smudge, spot; color by applying stain; taint or blemish someone's reputation

n. discoloration, smudge, spot; liquid substance used as a coloring agent (on wood, etc.); taint or blemish on one's reputation

A stain is a discoloration that distinguishes itself from the material on which it is found. It can be unintentional, in the case of domestic stains on fabric, cloth, or other material, or it can be intentional. Stains are used intentionally in a variety of fields, including research (biochemical staining), technology (metal staining), and art (wood staining, stained glass.)
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Noun
1. a soiled or discolored appearance; "the wine left a dark stain"
(synonym) discoloration, discolouration
(hypernym) appearance, visual aspect
(hyponym) scorch
2. (microscopy) a dye or other coloring material that is used in microscopy to make structures visible
(hypernym) coloring material, colouring material, color, colour
(hyponym) gentian violet, crystal violet
(classification) microscopy
3. the state of being covered with unclean things
(synonym) dirt, filth, grime, soil, grease, grunge
(hypernym) dirtiness, uncleanness
4. a symbol of disgrace or infamy; "And the Lord set a mark upon Cain"--Genesis
(synonym) mark, stigma, brand
(hypernym) symbol
(hyponym) demerit
(derivation) tarnish, maculate, sully, defile
5. an act that brings discredit to the person who does it; "he made a huge blot on his copybook"
(synonym) blot, smear, smirch, spot
(hypernym) mistake, error, fault
(derivation) tarnish, maculate, sully, defile
Verb
1. color with a liquid dye or tint; "Stain this table a beautiful walnut color"; "people knew how to stain glass a beautiful blue in the middle ages"
(hypernym) dye
(hyponym) ebonize, ebonise
(derivation) stainer
2. produce or leave stains; "Red wine stains the table cloth"
(hypernym) change, alter, modify
(hyponym) smut
(verb-group) spot, fleck, blob, blot
(derivation) dirt, filth, grime, soil, grease, grunge
3. make dirty or spotty, as by exposure to air; also used metaphorically; "The silver was tarnished by the long exposure to the air"; "Her reputation was sullied after the affair with a married man"
(synonym) tarnish, maculate, sully, defile
(hypernym) spot, fleck, blob, blot
(hyponym) darken
(derivation) mark, stigma, brand
4. color for microscopic study; "The laboratory worker dyed the specimen"
(hypernym) dye

(v. t.)
To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish.
  

(v. t.)
To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.
  

(v. t.)
To color, as wood, glass, paper, cloth, or the like, by processess 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.
  

(v. t.)
To cause to seem inferior or soiled by comparison.
  

(v. i.)
To give or receive a stain; to grow dim.
  

(n.)
Taint of guilt; tarnish; disgrace; reproach.
  

(n.)
Cause of reproach; shame.
  

(n.)
A tincture; a tinge.
  

(n.)
A natural spot of a color different from the gound.
  

(n.)
A discoloration by foreign matter; a spot; as, a stain on a garment or cloth.
  

To see stain on your hands, or clothing, while dreaming, foretells that trouble over small matters will assail you.

To see a stain on the garments of others, or on their flesh, foretells that some person will betray you.