Noun
watsu (uncountable)
A form of body massage performed on a subject lying in warm water.
Watsu pool design and care. pp 186-193, Appendix G In: Dull, H. Watsu: freeing the body in water, 4th edition. Source: Internet
For example, Watsu requires a warm-water therapy pool that is approximately chest deep (depending on height of the therapist) and temperature-controlled to about 35 °C (95 °F). Source: Internet
Watsu is used as a form of aquatic therapy for deep relaxation and other therapeutic intent. Source: Internet