Webster's Revised Unabridged Dictionary · 1913

Hydragogue

Hydragogue , adjective

[Latin hydragogus conveying off water, Greek {not transcribed}; "y`dwr water + {not transcribed} to lead: compare French hydragogue.]

(Medicine) Causing a discharge of water; expelling serum effused into any part of the body, as in dropsy.
(Medicine) A hydragogue medicine, usually a cathartic or diuretic.