1. people who wash and clean hair with shampoo, especially as a profession
2. machines or devices used for shampooing hair or carpets

Examples

• The salon hired two new shampooers to help with the busy weekend schedule.
• Professional shampooers are trained to massage the scalp properly.
• The carpet cleaning company uses industrial shampooers for deep cleaning.
• Hair salons often have junior shampooers who assist the stylists.
• The hotel invested in new carpet shampooers for their housekeeping department.
• Experienced shampooers know how to work with different hair types.