Any of various aquatic crustacea of the order Cladocera, characterised by their jumping or jerky mode of swimming.

A broad ski used for water skiing.

(intransitive) To ride on water skis

Diluted; containing extra water. / (colloquial, figuratively) Weakened or simplified

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.