stain-v; 3 Senses

Sense Number 1: Color with a liquid dye or tint, usually for aesthetic purposes.

Examples:
I want to stain the table a walnut color.
People knew how to stain glass a beautiful blue in the Middle Ages.
It can be difficult to stain wicker.

Mappings:
VerbNet: butter-9.9,coloring-24,fill-9.8-1
FrameNet: Processing_materials
PropBank: NM
WordNet 3.0 Sense Numbers: 1

Sense Number 2: (Cause to) become dirty or spotty; produce or leave stains; may be used metaphorically.

Examples:
Red wine stains the table cloth.
The silver stains after exposure to air.
Newspapers tried not to publish stories that might stain his reputation.
Do not stain the honor of this nation with your lies.

Mappings:
VerbNet: coloring-24,fill-9.8-1
FrameNet: NM
PropBank: stain.01
WordNet 3.0 Sense Numbers: 2, 3

Sense Number 3: Color specifically for microscopic study.

Examples:
The laboratory worker stained the specimen.
Stain these slides before you leave for the day.
We stain cells to make them more visible under the microscope.

Mappings:
VerbNet: coloring-24,fill-9.8-1
FrameNet: Processing_materials
PropBank: NM
WordNet 3.0 Sense Numbers: 4