Water n. : The fluid which descends from the clouds in rain, and which forms rivers, lakes, seas, etc.

Water n. : A body of water, standing or flowing; a lake, river, or other collection of water.

Water n. : Any liquid secretion, humor, or the like, resembling water; esp., the urine.

Water n. : A solution in water of a gaseous or readily volatile substance; as, ammonia water.

Water n. : The limpidity and luster of a precious stone, especially a diamond; as, a diamond of the first water, that is, perfectly pure and transparent. Hence, of the first water, that is, of the first excellence.

Water n. : A wavy, lustrous pattern or decoration such as is imparted to linen, silk, metals, etc. See Water, v. t., 3, Damask, v. t., and Damaskeen.

Water v. t. : An addition to the shares representing the capital of a stock company so that the aggregate par value of the shares is increased while their value for investment is diminished, or "diluted."

Water v. t. : To wet or supply with water; to moisten; to overflow with water; to irrigate; as, to water land; to water flowers.

Water v. t. : To supply with water for drink; to cause or allow to drink; as, to water cattle and horses.

Water v. t. : To wet and calender, as cloth, so as to impart to it a lustrous appearance in wavy lines; to diversify with wavelike lines; as, to water silk. Cf. Water, n., 6.

Water n. : To add water to (anything), thereby extending the quantity or bulk while reducing the strength or quality; to extend; to dilute; to weaken.

Water v. i. : To shed, secrete, or fill with, water or liquid matter; as, his eyes began to water.

Water v. i. : To get or take in water; as, the ship put into port to water.

Example:
what temperature Water should you run to keep pipes from bursting?

Taxonomy
Earth, hydrogen, liquid, substances, oxygen, drinking water, water vapor, precipitation, liquid water, atmosphere, Earth's, oceans, chemical substances, food, rivers, solvent, fresh water, molecules.

Defination from the web:
Water is a common chemical substance that is essential for the survival of all known forms of life. ... water. IUPAC name. oxidane. Alternative names. aqua, dihydrogen monoxide, hydrogen hydroxide, (more) Molecular formula. H2O. CAS number. 7732-18-5. InChI. InChI=1/H2O/h1H2 ...