(UK, countable, dated) A spa.
Other Word Forms of Hydro
Origin of Hydro
Greek hudro-, hudr- from hudōr wed-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
From Ancient Greek ὑδρο- (hydro-), from ὕδωρ (hydor, “water")
From Ancient Greek ὕδωρ (hudōr, “water”).
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