usage: 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
2. body of water, water, thing
usage: the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge"
3. water, element
usage: once thought to be one of four elements composing the universe (Empedocles)
4. water system, water supply, water, facility, installation
usage: a facility that provides a source of water; "the town debated the purification of the water supply"; "first you have to cut off the water"