1. hydromassage - Noun
2. hydromassage - Verb
English Wikipedia has an article on:hydro massageWikipedia
hydromassage (countable and uncountable, plural hydromassages)
A therapeutic massage in which bubbles of air and jets of water are pumped through a bath in which the recipient lies.
hydromassage (third-person singular simple present hydromassages, present participle hydromassaging, simple past and past participle hydromassaged)
(transitive) To massage in this way.