The Collaborative International Dictionary
Water doctor
Water doctor \Wa"ter doc"tor\ (Med.)
One who professes to be able to divine diseases by inspection of the urine.
A physician who treats diseases with water; an hydropathist.
Wiktionary
water doctor
n. 1 (context medicine archaic English) A physician who treats diseases with water; a hydropathist. 2 (context medicine archaic English) One who claims to be able to divine diseases by inspection of the urine.