1) Launch 2) Motorboat 3) One might tow a skier 4) Power boat 5) Powerboat 6) Racing motorboat 1) Seasled 
[book] This category is for those people who held the office of Vizier (wazir) in the Samanid Empire. ...
(from the article `Adler, Renata`) ...previously published short fiction into Speedboat (1976), her first novel, for which she won the Ernest Hemingway Prize (1976) for best first ...
[n] - a fast motorboat
noun a fast motorboat