Jet Ski is the brand name of a personal watercraft manufactured by Kawasaki, The term is often used generically to refer to any type of personal watercraft of this style of any type, and it is also used as a verb to describe the use of this type of water vehicle. Jet Skis typically can carry 1-2 people seated in a configuration like a typical bicycle or motorcycle.
It was the "first commercially successful" personal watercraft in America, having been released in 1972 (after reaching a license agreement with the inventor of the Jet Ski, Clayton Jacobson II when his license agreement with Bombardier expired).
"Jet Ski" is a proper noun and registered trademark of Kawasaki.
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