1. plural of brusher; people or devices that brush something
Usage: most common sense; can refer to people whose job involves brushing, or mechanical/electrical devices that perform brushing
2. in electrical machinery, carbon or metal contacts that conduct current to or from a rotating part
Usage: technical; used in motors, generators, and similar equipment

Examples

• The dental hygienists and brushers cleaned the patients' teeth thoroughly.
• The factory employs several brushers to apply paint to the wooden surfaces.
• The motor's brushers wear out over time and need regular replacement.
• Industrial brushers can handle large-scale cleaning tasks efficiently.
• The brushers in the generator conduct electricity from the rotating coil.
• Professional brushers use specialized equipment for detailed work.