noun
motorboat
A small boat powered by an engine, used for leisure, fishing, or short-distance transport.
週末にモーターボートで湖を走った。
We went out on the lake in a motorboat over the weekend.
船 is a broad term for any ship or boat, including large vessels; モーターボート is a specific type of small motorized boat.
Loanword from English 'motorboat'.