shampoo

transitive verb shampooed, shampooing

1. Obsolete to massage
2. to wash (the hair and scalp), esp. with a shampoo
3. to wash the hair and scalp of
4. to clean or wash (a rug, upholstery, etc.) with a shampoo

noun

1. the act of washing hair, a rug, etc.
2. a cleaning preparation, esp. one in liquid form that produces suds