1. plural of stainer; substances or things that cause stains
2. plural of stainer; people who apply stains, especially to wood or other materials

Examples

• The wood stainers worked carefully to achieve an even finish.
• Coffee and red wine are notorious stainers of clothing.
• The furniture factory employed several skilled stainers.
• These fabric stainers will give your clothes a vintage look.
• Professional stainers know which products work best on different wood types.
• Berry juices are natural stainers that can dye fabric.
• The deck stainers finished the project in two days.