scooter

(noun) a motorboat resembling a motor scooter. Synonyms: water scooter, sea scooter.

(noun) child's two-wheeled vehicle operated by foot.

(noun) a wheeled vehicle with small wheels and a low-powered gasoline engine geared to the rear wheel. Synonyms: motor scooter.

(noun) a sailing vessel with runners and a cross-shaped frame; suitable for traveling over ice. Synonyms: iceboat, ice yacht.

(noun) large black diving duck of northern parts of the northern hemisphere. Synonyms: scoter.