noun.
The act or operation of shampooing, in either sense.
To rub and percuss the whole surface of (the body), and at the same time to extend the limbs and rack the joints, in connection with a hot bath, for the purpose of restoring tone and vigor to the system; a practice introduced from the East. Such kneading and rubbing of the whole body is now commonly called massage. Also used figuratively.
To lather, wash, and rub or brush (the head) thoroughly.