hovercraft      
noun [ C ] uk/ˈhɒv.ə.krɑːft/ us/ˈhɑː.vɚ.kræft/  hovercrafts or hovercraft
 气垫船
a vehicle that travels quickly just above the surface of water or land by producing a current of air under it to support it
 - More examples
 - A hovercraft travels on a cushion of air.
 - The express ferry service to Ireland is the hovercraft, but that is sometimes cancelled if the weather is bad.