diuretic Meaning, Definition & Usage

  1. noun any substance that tends to increase the flow of urine, which causes the body to get rid of excess water
    diuretic drug; water pill.

WordNet

Di`u*ret"ic adjective
Etymology
L. diureticus, Gr. , fr. to make water; through + to make water, fr. urine: cf. F. diurétique.
Definitions
  1. (Med.) Tending to increase the secretion and discharge of urine. -- n. A medicine with diuretic properties.

Webster 1913