1. people who apply powder to something, especially cosmetic powder
2. workers who reduce substances to powder form

Examples

• The theater’s powderers worked quickly to prepare the actors for the stage.
• Professional powderers applied makeup to the models before the photo shoot.
• The factory employed several powderers to process the dried herbs.
• Skilled powderers ground the spices into fine powder.
• The cosmetics team included experienced powderers for the film production.