Any of genus Oenanthe, plants in the family Apiaceae that grows in moist soils or in water, one species of which (Oenanthe javanica) is used in cuisines throughout eastern Asia, others of which are extremely poisonous.

An activity, usually involving children, where the participants use water balloons, guns and pistols to get each other wet.

plural of water fight

The amount of water vapour, in a column of air, that is equivalent to the depth of the liquid water that would be obtained if it fell as rain

plural of water bug

Any member of the infraorder Nepomorpha, the true water bugs / Any of various other true bugs that live around water. / The American cockroach, Periplaneta americana.

plural of water-blob

(UK regional) The marsh marigold, Caltha palustris; also used for other similar plants.

(environmental sciences, hydrology) A notional column of water from the surface to the bottom in a natural setting, notable for the differences in physical and chemical properties at various depths.

Alternative spelling of waterborne