| Noun | 1. | scooter - a motorboat resembling a motor scooter | |
| 2. | scooter - child's two-wheeled vehicle operated by footwheeled vehicle - a vehicle that moves on wheels and usually has a container for transporting things or people; "the oldest known wheeled vehicles were found in Sumer and Syria and date from around 3500 BC" | |
| 3. | scooter - a wheeled vehicle with small wheels and a low-powered gasoline engine geared to the rear wheelwheeled vehicle - a vehicle that moves on wheels and usually has a container for transporting things or people; "the oldest known wheeled vehicles were found in Sumer and Syria and date from around 3500 BC" | |
| 4. | scooter - a sailing vessel with runners and a cross-shaped frame; suitable for traveling over ice | |
| 5. | scooter - large black diving duck of northern parts of the northern hemispheresea duck - any of various large diving ducks found along the seacoast: eider; scoter; merganser | |