noun
banana boat; water sled
An inflatable banana-shaped boat towed behind a motorboat, often used for recreational rides at beaches or resorts.
夏休みに海でバナナボートに乗った。
I rode a banana boat at the beach during summer vacation.
バナナボートはスリルがあって楽しい。
Banana boats are thrilling and fun.
Variant with interpunct; less common in everyday use.
From English 'banana boat', referring to its shape.