Noun
The power of water employed to move machinery, etc.
A fall of water which may be used to drive machinery; a site for a water mill; a water privilege.
Source: Webster's dictionaryThe most efficient water power in the world - women's tears. Wilson Mizner
Tears and complaints - the means which I have called water power - can be an extremely useful weapon for disturbing cooperation and reducing other to a condition of slavery. Alfred Adler
As the Industrial Revolution developed in the United States, many enterprising industrialists looked to the Mississippi River as a promising source of water power. Source: Internet
Hydraulic systems use liquid under pressure to transmit power; canals and hydroelectric power generation facilities harness natural water power to lift ships or generate electricity. Source: Internet
Hydropower or water power (from the Greek ύδωρ main, "water" ) is power derived from the energy of falling water or fast running water, which may be harnessed for useful purposes. Source: Internet
In 125 AD Zhang Heng used water power to rotate the sphere in real time. Source: Internet