Definition of "water-jet" [water-jet]

• A device for the propulsion of vessels consisting of a jet of water expelled forcibly from the stern. (noun)
• A boring-apparatus using a jet of water from a nozle at high velocity, for excavating holes in soft earth or removing soil from the face of a bluff or bank. The flowing water erodes the loosened earth, and the latter flows away as silt suspended in the water. Used in hydraulic mining. When used for boring vertical holes it may also be called a wash-drill (which see). (noun)

The Century Dictionary (Public Domain)

• "For added safety, an engine kill switch wristband similar to those on water-jet vehicle s is worn by the rider during operation."
• "With its bubble dome and tubular ballast tanks on either side, the two-man Aquapod was not unlike a small helicopter, an impression enhanced by the multidirectional water-jet propulsion system which gave it even greater agility than its counterpart in the air."
• "This is my design theory for a high volume and high pressure water-jet that will throw foreign objects away from the intake instead of fouling the impeller stack."