Definition of "shampoo"

shampoo

/ʃæmˈpuː/

noun
countable and uncountable, plural shampoos
1. (originally) A traditional Indian and Persian body massage given after pouring warm water over the body and rubbing it with extracts from herbs.
2. A commercial liquid soap product for washing hair or other fibres/fibers, such as carpets.
3. An instance of washing the hair or other fibres with shampoo.
4. (humorous, slang) Champagne.
verb
third-person singular simple present shampoos, present participle shampooing, simple past and past participle shampooed
1. (intransitive) To wash one's own hair with shampoo.
2. (transitive) To wash (i.e. the hair, carpet, etc.) with shampoo.
3. (transitive) To press or knead the whole surface of the body of (a person), and at the same time to stretch the limbs and joints, in connection with the hot bath.