A small motorized water craft with a flattish hull and an upright centre, which a rider sits astride
2006: Jet ski is actually Kawasaki's name for their PWC (personal water craft) models, but like hoovers and speedos has become genericised. — Tracks magazine, Gimme Fuel: High Octane Advise for Buying a Ski, October 2006, page 154.
A jet ski is a small machine like a motorcycle that is powered by a jet engine and can travel on the surface of water. A trademark used for a personal watercraft
Turkish - English
Definition of jet skiing in Turkish English dictionary