Source : WordNet®

scooter
     n 1: a motorboat resembling a motor scooter [syn: {water scooter},
           {sea scooter}]
     2: child's two-wheeled vehicle operated by foot
     3: a wheeled vehicle with small wheels and a low-powered
        gasoline engine geared to the rear wheel [syn: {motor
        scooter}]
     4: a sailing vessel with runners and a cross-shaped frame;
        suitable for traveling over ice [syn: {iceboat}, {ice
        yacht}]
     5: large black diving duck of northern parts of the northern
        hemisphere [syn: {scoter}]