Trĭp'sis, n.

n. [Gr. τρῖψις, from τρίβειν, to rub.]

1. (Med.) Act of reducing a substance to powder by rubbing or bruising; trituration. Dunglison.
2. The process of rubbing and percussing the whole surface of the body, and, at the same time, flexing and extending the limbs, and racking the joints, in connection with the use of the hot bath; — called also shampooing.