(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.

The water supply system of a district, town, city, or other place, including reservoirs, pipes, and pumps.

plural of waterwork

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

Alternative spelling of watermelon

Alternative spelling of watercolour

Alternative spelling of watercolour

Watt, a king of Sussex. / An Anglo-Saxon given name. / A diminutive of the male given name Walter, of medieval usage, variant of Wat. / An English and Scottish surname originating as a patronymic.

(nautical) A line formed by the surface of the water on the hull of a ship when she is afloat; any of a series of short lines marked on the hull to show where the waterline would be under different loadings.

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