water

noun

1.
binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent
H2O
Derived from:
water watery
2.
the part of the earth's surface covered with water (such as a river or lake or ocean)
the Red Sea body of water
3.
once thought to be one of four elements composing the universe (Empedocles), associated with the humour phlegm
eau
4.
a facility that provides a source of water
water supply water system
5.
6.
a liquid necessary for the life of most animals and plants