A wheel, propelled by running or falling water, used to power machinery. / A wheel with buckets used to raise water.

To dilute; to add water to. / (idiomatic) To make weaker. / (idiomatic) To simplify or oversimplify; to make easier; to make less difficult. / (idiomatic) To make less restrictive; to make more lenient.

(of a liquid) colourless and transparent like pure water

Any turbulent or frothy water as found in river rapids or surf. / (figuratively) Turbulent conditions.

(chemistry) The water present in the crystals of the salts of certain metals; it is weakly bound by electrostatic forces and may normally be removed by heating.

A cattle disease, with one symptom being reddish urine. / A wastewater in the manufacture of TNT.

Alternative spelling of watermelon

Any long-legged aquatic insect of the family Nepidae, commonly the species Nepa cinerea.

diving bell spider / (operations, logistics) A warehouse worker who performs only certain specific tasks, often replenishment.

(shipbuilding) the outline of a horizontal section of a vessel, as when floating in the water.